5905638 has 24 divisors (see below), whose sum is σ = 12978576. Its totient is φ = 1940400.

The previous prime is 5905619. The next prime is 5905643. The reversal of 5905638 is 8365095.

5905638 is a `hidden beast` number, since 5 + 90 + 563 + 8 = 666.

5905638 is an esthetic number in base 9, because in such base its adjacent digits differ by 1.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1033 + ... + 3588.

It is an arithmetic number, because the mean of its divisors is an integer number (540774).

Almost surely, 2^5905638 is an apocalyptic number.

5905638 is an abundant number, since it is smaller than the sum of its proper divisors (7072938).

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

5905638 is a wasteful number, since it uses less digits than its factorization.

5905638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700 (or 4697 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 5905638 is about 2430.1518471075. The cubic root of 5905638 is about 180.7544261813.

The spelling of 5905638 in words is "five million, nine hundred five thousand, six hundred thirty-eight".