49639804 has 12 divisors (see below), whose sum is σ = 89672128. Its totient is φ = 24019200.

The previous prime is 49639801. The next prime is 49639817. The reversal of 49639804 is 40893694.

It is a super-3 number, since 3×49639804³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49639801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200037 + ... + 200284.

Almost surely, 2^49639804 is an apocalyptic number.

It is an amenable number.

49639804 is a deficient number, since it is larger than the sum of its proper divisors (40032324).

49639804 is a wasteful number, since it uses less digits than its factorization.

49639804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400356 (or 400354 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 49639804 is about 7045.5520720523. The cubic root of 49639804 is about 367.5163680679.

It can be divided in two parts, 4963980 and 4, that added together give a square (4963984 = 2228²).

The spelling of 49639804 in words is "forty-nine million, six hundred thirty-nine thousand, eight hundred four".