49146979 has 16 divisors (see below), whose sum is σ = 58355968. Its totient is φ = 40515552.

The previous prime is 49146971. The next prime is 49146991. The reversal of 49146979 is 97964194.

It is not a de Polignac number, because 49146979 - 2³ = 49146971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49146971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18949 + ... + 21385.

It is an arithmetic number, because the mean of its divisors is an integer number (3647248).

Almost surely, 2^49146979 is an apocalyptic number.

49146979 is a deficient number, since it is larger than the sum of its proper divisors (9208989).

49146979 is a wasteful number, since it uses less digits than its factorization.

49146979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554.

The product of its digits is 489888, while the sum is 49.

The square root of 49146979 is about 7010.4906390352. The cubic root of 49146979 is about 366.2960840799.

The spelling of 49146979 in words is "forty-nine million, one hundred forty-six thousand, nine hundred seventy-nine".