378852939 has 12 divisors (see below), whose sum is σ = 579422376. Its totient is φ = 237711552.

The previous prime is 378852931. The next prime is 378852961. The reversal of 378852939 is 939258873.

378852939 = T₄₁₀ + T₄₁₁ + ... + T₁₃₂₇.

It is a happy number.

378852939 is a `hidden beast` number, since 3 + 7 + 88 + 529 + 39 = 666.

It is not a de Polignac number, because 378852939 - 2³ = 378852931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (378852931) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237929 + ... + 1238234.

It is an arithmetic number, because the mean of its divisors is an integer number (48285198).

Almost surely, 2^378852939 is an apocalyptic number.

378852939 is a deficient number, since it is larger than the sum of its proper divisors (200569437).

378852939 is a wasteful number, since it uses less digits than its factorization.

378852939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476186 (or 2476183 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 378852939 is about 19464.1449593862. The cubic root of 378852939 is about 723.5861078421.

The spelling of 378852939 in words is "three hundred seventy-eight million, eight hundred fifty-two thousand, nine hundred thirty-nine".