2865401 has 24 divisors (see below), whose sum is σ = 3830400. Its totient is φ = 2090880.

The previous prime is 2865397. The next prime is 2865413. The reversal of 2865401 is 1045682.

It is not a de Polignac number, because 2865401 - 2² = 2865397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2865431) 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, 14300 + ... + 14498.

It is an arithmetic number, because the mean of its divisors is an integer number (159600).

2^2865401 is an apocalyptic number.

It is an amenable number.

2865401 is a deficient number, since it is larger than the sum of its proper divisors (964999).

2865401 is a wasteful number, since it uses less digits than its factorization.

2865401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2865401 is about 1692.7495384728. The cubic root of 2865401 is about 142.0349216498.

The spelling of 2865401 in words is "two million, eight hundred sixty-five thousand, four hundred one".