49385979 has 12 divisors (see below), whose sum is σ = 71604000. Its totient is φ = 32799984.

The previous prime is 49385977. The next prime is 49385989. The reversal of 49385979 is 97958394.

49385979 is a `hidden beast` number, since 49 + 3 + 8 + 597 + 9 = 666.

It is not a de Polignac number, because 49385979 - 2¹ = 49385977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49385971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7779 + ... + 12620.

It is an arithmetic number, because the mean of its divisors is an integer number (5967000).

Almost surely, 2^49385979 is an apocalyptic number.

49385979 is a deficient number, since it is larger than the sum of its proper divisors (22218021).

49385979 is a wasteful number, since it uses less digits than its factorization.

49385979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20674 (or 20671 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The square root of 49385979 is about 7027.5158484346. The cubic root of 49385979 is about 366.8888857739. Note that the first 5 decimals are identical.

The spelling of 49385979 in words is "forty-nine million, three hundred eighty-five thousand, nine hundred seventy-nine".