49381836 has 48 divisors (see below), whose sum is σ = 138620160. Its totient is φ = 13366080.

The previous prime is 49381823. The next prime is 49381847. The reversal of 49381836 is 63818394.

It is a happy number.

49381836 is nontrivially palindromic in base 13.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 13875 + ... + 17066.

It is an arithmetic number, because the mean of its divisors is an integer number (2887920).

Almost surely, 2^49381836 is an apocalyptic number.

It is an amenable number.

49381836 is an abundant number, since it is smaller than the sum of its proper divisors (89238324).

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

49381836 is a wasteful number, since it uses less digits than its factorization.

49381836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30974 (or 30972 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 49381836 is about 7027.2210723728. The cubic root of 49381836 is about 366.8786260255.

The spelling of 49381836 in words is "forty-nine million, three hundred eighty-one thousand, eight hundred thirty-six".