2913638 has 24 divisors (see below), whose sum is σ = 5477472. Its totient is φ = 1152144.

The previous prime is 2913619. The next prime is 2913641. The reversal of 2913638 is 8363192.

2913638 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

2913638 is strictly pandigital in base 8.

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, 131 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (228228).

2^2913638 is an apocalyptic number.

2913638 is a deficient number, since it is larger than the sum of its proper divisors (2563834).

2913638 is a wasteful number, since it uses less digits than its factorization.

2913638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2316 (or 2309 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 2913638 is about 1706.9381945460. The cubic root of 2913638 is about 142.8275097583.

The spelling of 2913638 in words is "two million, nine hundred thirteen thousand, six hundred thirty-eight".