49679388 has 36 divisors (see below), whose sum is σ = 136995768. Its totient is φ = 15054240.

The previous prime is 49679381. The next prime is 49679393. The reversal of 49679388 is 88397694.

49679388 is a `hidden beast` number, since 496 + 79 + 3 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49679381) 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, 62331 + ... + 63122.

It is an arithmetic number, because the mean of its divisors is an integer number (3805438).

Almost surely, 2^49679388 is an apocalyptic number.

It is an amenable number.

49679388 is an abundant number, since it is smaller than the sum of its proper divisors (87316380).

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

49679388 is a wasteful number, since it uses less digits than its factorization.

49679388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125474 (or 125469 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The square root of 49679388 is about 7048.3606604657. The cubic root of 49679388 is about 367.6140309751.

The spelling of 49679388 in words is "forty-nine million, six hundred seventy-nine thousand, three hundred eighty-eight".