308004972 has 96 divisors (see below), whose sum is σ = 832634880. Its totient is φ = 87635520.

The previous prime is 308004971. The next prime is 308004979. The reversal of 308004972 is 279400803.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (308004971) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318033 + ... + 318999.

It is an arithmetic number, because the mean of its divisors is an integer number (8673280).

Almost surely, 2^308004972 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 308004972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416317440).

308004972 is an abundant number, since it is smaller than the sum of its proper divisors (524629908).

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

308004972 is a wasteful number, since it uses less digits than its factorization.

308004972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 308004972 is about 17550.0704272091. The cubic root of 308004972 is about 675.3349755756.

The spelling of 308004972 in words is "three hundred eight million, four thousand, nine hundred seventy-two".