49184638 has 32 divisors (see below), whose sum is σ = 81920160. Its totient is φ = 22041600.

The previous prime is 49184627. The next prime is 49184651. The reversal of 49184638 is 83648194.

It is a junction number, because it is equal to n+sod(n) for n = 49184594 and 49184603.

It is a congruent number.

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, 81538 + ... + 82138.

It is an arithmetic number, because the mean of its divisors is an integer number (2560005).

Almost surely, 2^49184638 is an apocalyptic number.

49184638 is a deficient number, since it is larger than the sum of its proper divisors (32735522).

49184638 is a wasteful number, since it uses less digits than its factorization.

49184638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732.

The product of its digits is 165888, while the sum is 43.

The square root of 49184638 is about 7013.1760280204. The cubic root of 49184638 is about 366.3896186348.

The spelling of 49184638 in words is "forty-nine million, one hundred eighty-four thousand, six hundred thirty-eight".