49992399 has 12 divisors (see below), whose sum is σ = 72329400. Its totient is φ = 33273744.

The previous prime is 49992379. The next prime is 49992413. The reversal of 49992399 is 99329994.

It is not a de Polignac number, because 49992399 - 2¹² = 49988303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49992379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1717 + ... + 10145.

It is an arithmetic number, because the mean of its divisors is an integer number (6027450).

Almost surely, 2^49992399 is an apocalyptic number.

49992399 is a deficient number, since it is larger than the sum of its proper divisors (22337001).

49992399 is a wasteful number, since it uses less digits than its factorization.

49992399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9094 (or 9091 counting only the distinct ones).

The product of its digits is 1417176, while the sum is 54.

The square root of 49992399 is about 7070.5303195729. The cubic root of 49992399 is about 368.3844807024.

The spelling of 49992399 in words is "forty-nine million, nine hundred ninety-two thousand, three hundred ninety-nine".