49947966 has 24 divisors (see below), whose sum is σ = 108529824. Its totient is φ = 16601760.

The previous prime is 49947949. The next prime is 49948007. The reversal of 49947966 is 66974994.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2826 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (4522076).

Almost surely, 2^49947966 is an apocalyptic number.

49947966 is an abundant number, since it is smaller than the sum of its proper divisors (58581858).

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

49947966 is a wasteful number, since it uses less digits than its factorization.

49947966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936 (or 7933 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 54.

The square root of 49947966 is about 7067.3874946829. The cubic root of 49947966 is about 368.2753089099.

The spelling of 49947966 in words is "forty-nine million, nine hundred forty-seven thousand, nine hundred sixty-six".