308672064 has 84 divisors (see below), whose sum is σ = 887973840. Its totient is φ = 102516480.

The previous prime is 308672051. The next prime is 308672071. The reversal of 308672064 is 460276803.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 189847 + ... + 191465.

Almost surely, 2^308672064 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 308672064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443986920).

308672064 is an abundant number, since it is smaller than the sum of its proper divisors (579301776).

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

308672064 is a wasteful number, since it uses less digits than its factorization.

308672064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1955 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 308672064 is about 17569.0655414567. The cubic root of 308672064 is about 675.8221816766.

The spelling of 308672064 in words is "three hundred eight million, six hundred seventy-two thousand, sixty-four".