49638894 has 16 divisors (see below), whose sum is σ = 102701520. Its totient is φ = 15975680.

The previous prime is 49638889. The next prime is 49638907. The reversal of 49638894 is 49883694.

It is a happy number.

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, 142467 + ... + 142814.

It is an arithmetic number, because the mean of its divisors is an integer number (6418845).

Almost surely, 2^49638894 is an apocalyptic number.

49638894 is an abundant number, since it is smaller than the sum of its proper divisors (53062626).

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

49638894 is a wasteful number, since it uses less digits than its factorization.

49638894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285315.

The product of its digits is 1492992, while the sum is 51.

The square root of 49638894 is about 7045.4874920051. The cubic root of 49638894 is about 367.5141222765.

The spelling of 49638894 in words is "forty-nine million, six hundred thirty-eight thousand, eight hundred ninety-four".