308534464 has 112 divisors (see below), whose sum is σ = 748913920. Its totient is φ = 123171840.

The previous prime is 308534441. The next prime is 308534477. The reversal of 308534464 is 464435803.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570034 + ... + 570574.

Almost surely, 2^308534464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 308534464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374456960).

308534464 is an abundant number, since it is smaller than the sum of its proper divisors (440379456).

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

308534464 is a wasteful number, since it uses less digits than its factorization.

308534464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The square root of 308534464 is about 17565.1491311631. The cubic root of 308534464 is about 675.7217439579.

The spelling of 308534464 in words is "three hundred eight million, five hundred thirty-four thousand, four hundred sixty-four".