378425884 has 24 divisors (see below), whose sum is σ = 672330960. Its totient is φ = 186345984.

The previous prime is 378425867. The next prime is 378425893. The reversal of 378425884 is 488524873.

It is a super-2 number, since 2×378425884² = 286412299362362912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115582 + ... + 118810.

It is an arithmetic number, because the mean of its divisors is an integer number (28013790).

Almost surely, 2^378425884 is an apocalyptic number.

It is an amenable number.

378425884 is a deficient number, since it is larger than the sum of its proper divisors (293905076).

378425884 is a wasteful number, since it uses less digits than its factorization.

378425884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669 (or 3667 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 49.

The square root of 378425884 is about 19453.1715666109. The cubic root of 378425884 is about 723.3141225806.

The spelling of 378425884 in words is "three hundred seventy-eight million, four hundred twenty-five thousand, eight hundred eighty-four".