378384831 has 32 divisors (see below), whose sum is σ = 613612800. Its totient is φ = 228543840.

The previous prime is 378384767. The next prime is 378384833. The reversal of 378384831 is 138483873.

It is not a de Polignac number, because 378384831 - 2⁶ = 378384767 is a prime.

It is a super-2 number, since 2×378384831² = 286350160661797122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (378384833) 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, 92140 + ... + 96158.

It is an arithmetic number, because the mean of its divisors is an integer number (19175400).

Almost surely, 2^378384831 is an apocalyptic number.

378384831 is a deficient number, since it is larger than the sum of its proper divisors (235227969).

378384831 is a wasteful number, since it uses less digits than its factorization.

378384831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4356 (or 4350 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 378384831 is about 19452.1163630079. The cubic root of 378384831 is about 723.2879657295.

The spelling of 378384831 in words is "three hundred seventy-eight million, three hundred eighty-four thousand, eight hundred thirty-one".