49689894 has 16 divisors (see below), whose sum is σ = 100638720. Its totient is φ = 16353480.

The previous prime is 49689889. The next prime is 49689907. The reversal of 49689894 is 49898694.

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, 51942 + ... + 52889.

It is an arithmetic number, because the mean of its divisors is an integer number (6289920).

Almost surely, 2^49689894 is an apocalyptic number.

49689894 is an abundant number, since it is smaller than the sum of its proper divisors (50948826).

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

49689894 is a wasteful number, since it uses less digits than its factorization.

49689894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104915.

The product of its digits is 4478976, while the sum is 57.

The square root of 49689894 is about 7049.1059007508. The cubic root of 49689894 is about 367.6399430012.

The spelling of 49689894 in words is "forty-nine million, six hundred eighty-nine thousand, eight hundred ninety-four".