4045864 has 32 divisors (see below), whose sum is σ = 8164800. Its totient is φ = 1872640.

The previous prime is 4045849. The next prime is 4045883. The reversal of 4045864 is 4685404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9447 + ... + 9865.

It is an arithmetic number, because the mean of its divisors is an integer number (255150).

Almost surely, 2^4045864 is an apocalyptic number.

It is an amenable number.

4045864 is an abundant number, since it is smaller than the sum of its proper divisors (4118936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4045864 is a wasteful number, since it uses less digits than its factorization.

4045864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 4045864 is about 2011.4333197996. The cubic root of 4045864 is about 159.3445057125.

The spelling of 4045864 in words is "four million, forty-five thousand, eight hundred sixty-four".