464565388 has 12 divisors (see below), whose sum is σ = 929130832. Its totient is φ = 199099440.

The previous prime is 464565347. The next prime is 464565389. The reversal of 464565388 is 883565464.

It is a happy number.

464565388 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (464565389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8295783 + ... + 8295838.

Almost surely, 2^464565388 is an apocalyptic number.

It is an amenable number.

464565388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

464565388 is a wasteful number, since it uses less digits than its factorization.

464565388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16591632 (or 16591630 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 49.

The square root of 464565388 is about 21553.7789726071. The cubic root of 464565388 is about 774.4896469305.

The spelling of 464565388 in words is "four hundred sixty-four million, five hundred sixty-five thousand, three hundred eighty-eight".