383278672 has 20 divisors (see below), whose sum is σ = 848688736. Its totient is φ = 164262240.

The previous prime is 383278667. The next prime is 383278723. The reversal of 383278672 is 276872383.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710954 + ... + 1711177.

Almost surely, 2^383278672 is an apocalyptic number.

It is an amenable number.

383278672 is an abundant number, since it is smaller than the sum of its proper divisors (465410064).

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

383278672 is a wasteful number, since it uses less digits than its factorization.

383278672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3422146 (or 3422140 counting only the distinct ones).

The product of its digits is 677376, while the sum is 46.

The square root of 383278672 is about 19577.5042331754. The cubic root of 383278672 is about 726.3928338190.

The spelling of 383278672 in words is "three hundred eighty-three million, two hundred seventy-eight thousand, six hundred seventy-two".