10401865 has 16 divisors (see below), whose sum is σ = 13478400. Its totient is φ = 7682752.

The previous prime is 10401863. The next prime is 10401883. The reversal of 10401865 is 56810401.

10401865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10401865 - 2¹ = 10401863 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10401863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1776 + ... + 4894.

It is an arithmetic number, because the mean of its divisors is an integer number (842400).

Almost surely, 2^10401865 is an apocalyptic number.

It is an amenable number.

10401865 is a deficient number, since it is larger than the sum of its proper divisors (3076535).

10401865 is a wasteful number, since it uses less digits than its factorization.

10401865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 10401865 is about 3225.1922423322. The cubic root of 10401865 is about 218.2916235742.

The spelling of 10401865 in words is "ten million, four hundred one thousand, eight hundred sixty-five".