2805957 has 24 divisors (see below), whose sum is σ = 5054400. Its totient is φ = 1457280.

The previous prime is 2805949. The next prime is 2805967. The reversal of 2805957 is 7595082.

It is not a de Polignac number, because 2805957 - 2³ = 2805949 is a prime.

It is a super-5 number, since 5×2805957⁵ (a number of 33 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805967) 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, 1332 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (210600).

2^2805957 is an apocalyptic number.

It is an amenable number.

2805957 is a deficient number, since it is larger than the sum of its proper divisors (2248443).

2805957 is a wasteful number, since it uses less digits than its factorization.

2805957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 2805957 is about 1675.0991015459. The cubic root of 2805957 is about 141.0458580278.

The spelling of 2805957 in words is "two million, eight hundred five thousand, nine hundred fifty-seven".