2045907 has 12 divisors (see below), whose sum is σ = 3050944. Its totient is φ = 1319760.

The previous prime is 2045903. The next prime is 2045909. The reversal of 2045907 is 7095402.

It is not a de Polignac number, because 2045907 - 2² = 2045903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2045903) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3388 + ... + 3945.

2^2045907 is an apocalyptic number.

2045907 is a deficient number, since it is larger than the sum of its proper divisors (1005037).

2045907 is a wasteful number, since it uses less digits than its factorization.

2045907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7370 (or 7367 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2045907 is about 1430.3520545656. The cubic root of 2045907 is about 126.9488085994.

The spelling of 2045907 in words is "two million, forty-five thousand, nine hundred seven".