2039907 has 4 divisors (see below), whose sum is σ = 2719880. Its totient is φ = 1359936.

The previous prime is 2039903. The next prime is 2039909. The reversal of 2039907 is 7099302.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2039907 - 2² = 2039903 is a prime.

It is a super-2 number, since 2×2039907² = 8322441137298, which contains 22 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2039903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339982 + ... + 339987.

It is an arithmetic number, because the mean of its divisors is an integer number (679970).

2^2039907 is an apocalyptic number.

2039907 is a deficient number, since it is larger than the sum of its proper divisors (679973).

2039907 is an equidigital number, since it uses as much as digits as its factorization.

2039907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679972.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 2039907 is about 1428.2531288256. The cubic root of 2039907 is about 126.8245868128.

The spelling of 2039907 in words is "two million, thirty-nine thousand, nine hundred seven".