4399092 has 36 divisors (see below), whose sum is σ = 11253060. Its totient is φ = 1448832.

The previous prime is 4399079. The next prime is 4399103. The reversal of 4399092 is 2909934.

It can be written as a sum of positive squares in 2 ways, for example, as 2944656 + 1454436 = 1716^2 + 1206^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2518 + ... + 3890.

It is an arithmetic number, because the mean of its divisors is an integer number (312585).

Almost surely, 2^4399092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4399092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5626530).

4399092 is an abundant number, since it is smaller than the sum of its proper divisors (6853968).

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

4399092 is a wasteful number, since it uses less digits than its factorization.

4399092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1472 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 4399092 is about 2097.4012491653. The cubic root of 4399092 is about 163.8529814702.

The spelling of 4399092 in words is "four million, three hundred ninety-nine thousand, ninety-two".