2099007 has 24 divisors (see below), whose sum is σ = 3315600. Its totient is φ = 1312128.

The previous prime is 2098981. The next prime is 2099017. The reversal of 2099007 is 7009902.

It is not a de Polignac number, because 2099007 - 2¹⁰ = 2097983 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099017) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7669 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (138150).

2^2099007 is an apocalyptic number.

2099007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2099007 is a deficient number, since it is larger than the sum of its proper divisors (1216593).

2099007 is a wasteful number, since it uses less digits than its factorization.

2099007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 1134, while the sum is 27.

The square root of 2099007 is about 1448.7950165569. The cubic root of 2099007 is about 128.0377289496.

It can be divided in two parts, 209 and 9007, that added together give a square (9216 = 96²).

The spelling of 2099007 in words is "two million, ninety-nine thousand, seven".