378030638 has 16 divisors (see below), whose sum is σ = 576930816. Its totient is φ = 185744760.

The previous prime is 378030629. The next prime is 378030671. The reversal of 378030638 is 836030873.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25745 + ... + 37667.

It is an arithmetic number, because the mean of its divisors is an integer number (36058176).

Almost surely, 2^378030638 is an apocalyptic number.

378030638 is a deficient number, since it is larger than the sum of its proper divisors (198900178).

378030638 is a wasteful number, since it uses less digits than its factorization.

378030638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12199.

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 378030638 is about 19443.0100035977. The cubic root of 378030638 is about 723.0622136292.

The spelling of 378030638 in words is "three hundred seventy-eight million, thirty thousand, six hundred thirty-eight".