638014374 has 32 divisors (see below), whose sum is σ = 1431859680. Its totient is φ = 210564000.

The previous prime is 638014367. The next prime is 638014427. The reversal of 638014374 is 473410836.

638014374 is a `hidden beast` number, since 638 + 0 + 14 + 3 + 7 + 4 = 666.

It is a super-2 number, since 2×638014374² = 814124682861223752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53037 + ... + 63944.

It is an arithmetic number, because the mean of its divisors is an integer number (44745615).

Almost surely, 2^638014374 is an apocalyptic number.

638014374 is an abundant number, since it is smaller than the sum of its proper divisors (793845306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

638014374 is a wasteful number, since it uses less digits than its factorization.

638014374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117093 (or 117087 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 638014374 is about 25258.9464150823. The cubic root of 638014374 is about 860.8817232423.

The spelling of 638014374 in words is "six hundred thirty-eight million, fourteen thousand, three hundred seventy-four".