49638620 has 24 divisors (see below), whose sum is σ = 104648544. Its totient is φ = 19777856.

The previous prime is 49638601. The next prime is 49638637. The reversal of 49638620 is 2683694.

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, 542 + ... + 9978.

It is an arithmetic number, because the mean of its divisors is an integer number (4360356).

Almost surely, 2^49638620 is an apocalyptic number.

It is an amenable number.

49638620 is an abundant number, since it is smaller than the sum of its proper divisors (55009924).

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

49638620 is a wasteful number, since it uses less digits than its factorization.

49638620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9709 (or 9707 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 49638620 is about 7045.4680469079. The cubic root of 49638620 is about 367.5134460658.

The spelling of 49638620 in words is "forty-nine million, six hundred thirty-eight thousand, six hundred twenty".