49992986 has 8 divisors (see below), whose sum is σ = 75230004. Its totient is φ = 24916320.

The previous prime is 49992973. The next prime is 49992989. The reversal of 49992986 is 68929994.

It can be written as a sum of positive squares in 2 ways, for example, as 49773025 + 219961 = 7055^2 + 469^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49992989) 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, 39305 + ... + 40556.

Almost surely, 2^49992986 is an apocalyptic number.

49992986 is a deficient number, since it is larger than the sum of its proper divisors (25237018).

49992986 is a wasteful number, since it uses less digits than its factorization.

49992986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80176.

The product of its digits is 2519424, while the sum is 56.

The square root of 49992986 is about 7070.5718297744. The cubic root of 49992986 is about 368.3859225272.

The spelling of 49992986 in words is "forty-nine million, nine hundred ninety-two thousand, nine hundred eighty-six".