2090907 has 64 divisors (see below), whose sum is σ = 4085760. Its totient is φ = 1026432.

The previous prime is 2090873. The next prime is 2090923. The reversal of 2090907 is 7090902.

It is not a de Polignac number, because 2090907 - 2⁶ = 2090843 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (2090807) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56493 + ... + 56529.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2^2090907 is an apocalyptic number.

2090907 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2090907 is a deficient number, since it is larger than the sum of its proper divisors (1994853).

2090907 is a wasteful number, since it uses less digits than its factorization.

2090907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 83 counting only the distinct ones).

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

The square root of 2090907 is about 1445.9968879635. The cubic root of 2090907 is about 127.8728188240.

The spelling of 2090907 in words is "two million, ninety thousand, nine hundred seven".