2099592 has 72 divisors (see below), whose sum is σ = 6276270. Its totient is φ = 633600.

The previous prime is 2099549. The next prime is 2099593. The reversal of 2099592 is 2959902.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 527076 = 1254^2 + 726^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 2⁷ + 0 + 9³ + 9³ + 5³ + 9³ + 2²¹ .

It is not an unprimeable number, because it can be changed into a prime (2099593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8592 + ... + 8832.

2^2099592 is an apocalyptic number.

2099592 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2099592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3138135).

2099592 is an abundant number, since it is smaller than the sum of its proper divisors (4176678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2099592 is a wasteful number, since it uses less digits than its factorization.

2099592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 2099592 is about 1448.9968944066. The cubic root of 2099592 is about 128.0496226870.

It can be divided in two parts, 209 and 9592, that added together give a square (9801 = 99²).

The spelling of 2099592 in words is "two million, ninety-nine thousand, five hundred ninety-two".