308674404 has 72 divisors (see below), whose sum is σ = 804821472. Its totient is φ = 99688320.

The previous prime is 308674369. The next prime is 308674433. The reversal of 308674404 is 404476803.

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 (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 239947 + ... + 241229.

It is an arithmetic number, because the mean of its divisors is an integer number (11178076).

Almost surely, 2^308674404 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 308674404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402410736).

308674404 is an abundant number, since it is smaller than the sum of its proper divisors (496147068).

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

308674404 is a wasteful number, since it uses less digits than its factorization.

308674404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 308674404 is about 17569.1321356520. The cubic root of 308674404 is about 675.8238894436.

The spelling of 308674404 in words is "three hundred eight million, six hundred seventy-four thousand, four hundred four".