308973672 has 96 divisors (see below), whose sum is σ = 962470080. Its totient is φ = 87713280.

The previous prime is 308973671. The next prime is 308973719. The reversal of 308973672 is 276379803.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (308973671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80272 + ... + 84032.

It is an arithmetic number, because the mean of its divisors is an integer number (10025730).

Almost surely, 2^308973672 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 308973672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481235040).

308973672 is an abundant number, since it is smaller than the sum of its proper divisors (653496408).

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

308973672 is a wasteful number, since it uses less digits than its factorization.

308973672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3943 (or 3936 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 308973672 is about 17577.6469414993. The cubic root of 308973672 is about 676.0422286097.

The spelling of 308973672 in words is "three hundred eight million, nine hundred seventy-three thousand, six hundred seventy-two".