405876764 has 6 divisors (see below), whose sum is σ = 710284344. Its totient is φ = 202938380.

The previous prime is 405876763. The next prime is 405876767. The reversal of 405876764 is 467678504.

It is a happy number.

It is a super-2 number, since 2×405876764² = 329471895110223392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405876763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50734592 + ... + 50734599.

It is an arithmetic number, because the mean of its divisors is an integer number (118380724).

Almost surely, 2^405876764 is an apocalyptic number.

It is an amenable number.

405876764 is a deficient number, since it is larger than the sum of its proper divisors (304407580).

405876764 is a wasteful number, since it uses less digits than its factorization.

405876764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101469195 (or 101469193 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 47.

The square root of 405876764 is about 20146.3833975232. The cubic root of 405876764 is about 740.3971352611.

The spelling of 405876764 in words is "four hundred five million, eight hundred seventy-six thousand, seven hundred sixty-four".