5638194 has 32 divisors (see below), whose sum is σ = 12608640. Its totient is φ = 1867536.

The previous prime is 5638183. The next prime is 5638207. The reversal of 5638194 is 4918365.

5638194 is a `hidden beast` number, since 5 + 638 + 19 + 4 = 666.

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, 14004 + ... + 14400.

It is an arithmetic number, because the mean of its divisors is an integer number (394020).

Almost surely, 2^5638194 is an apocalyptic number.

5638194 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

5638194 is an abundant number, since it is smaller than the sum of its proper divisors (6970446).

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

5638194 is a wasteful number, since it uses less digits than its factorization.

5638194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 665 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 5638194 is about 2374.4881553716. The cubic root of 5638194 is about 177.9836074623.

It can be divided in two parts, 5638 and 194, that added together give a cube (5832 = 18³).

The spelling of 5638194 in words is "five million, six hundred thirty-eight thousand, one hundred ninety-four".