49979998 has 8 divisors (see below), whose sum is σ = 77388480. Its totient is φ = 24183840.

The previous prime is 49979977. The next prime is 49979999. The reversal of 49979998 is 89997994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49979999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403003 + ... + 403126.

It is an arithmetic number, because the mean of its divisors is an integer number (9673560).

Almost surely, 2^49979998 is an apocalyptic number.

49979998 is a deficient number, since it is larger than the sum of its proper divisors (27408482).

49979998 is a wasteful number, since it uses less digits than its factorization.

49979998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806162.

The product of its digits is 13226976, while the sum is 64.

The square root of 49979998 is about 7069.6533154038. The cubic root of 49979998 is about 368.3540179799.

The spelling of 49979998 in words is "forty-nine million, nine hundred seventy-nine thousand, nine hundred ninety-eight".