378590638 has 8 divisors (see below), whose sum is σ = 581736960. Its totient is φ = 184678320.

The previous prime is 378590617. The next prime is 378590671. The reversal of 378590638 is 836095873.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 378590591 and 378590600.

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, 2308398 + ... + 2308561.

It is an arithmetic number, because the mean of its divisors is an integer number (72717120).

Almost surely, 2^378590638 is an apocalyptic number.

378590638 is a deficient number, since it is larger than the sum of its proper divisors (203146322).

378590638 is a wasteful number, since it uses less digits than its factorization.

378590638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617002.

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 378590638 is about 19457.4057366341. The cubic root of 378590638 is about 723.4190762938.

The spelling of 378590638 in words is "three hundred seventy-eight million, five hundred ninety thousand, six hundred thirty-eight".