308428700 has 18 divisors (see below), whose sum is σ = 669290496. Its totient is φ = 123371440.

The previous prime is 308428663. The next prime is 308428721. The reversal of 308428700 is 7824803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1542044 + ... + 1542243.

Almost surely, 2^308428700 is an apocalyptic number.

It is an amenable number.

308428700 is an abundant number, since it is smaller than the sum of its proper divisors (360861796).

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

308428700 is a wasteful number, since it uses less digits than its factorization.

308428700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084301 (or 3084294 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 308428700 is about 17562.1382525022. The cubic root of 308428700 is about 675.6445238409.

The spelling of 308428700 in words is "three hundred eight million, four hundred twenty-eight thousand, seven hundred".