49186992 has 20 divisors (see below), whose sum is σ = 127066520. Its totient is φ = 16395648.

The previous prime is 49186981. The next prime is 49186997. The reversal of 49186992 is 29968194.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 1024729 = 49186992 / (4 + 9 + 1 + 8 + 6 + 9 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (49186997) 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, 512317 + ... + 512412.

It is an arithmetic number, because the mean of its divisors is an integer number (6353326).

Almost surely, 2^49186992 is an apocalyptic number.

It is an amenable number.

49186992 is an abundant number, since it is smaller than the sum of its proper divisors (77879528).

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

49186992 is a wasteful number, since it uses less digits than its factorization.

49186992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024740 (or 1024734 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The square root of 49186992 is about 7013.3438529706. The cubic root of 49186992 is about 366.3954637349.

The spelling of 49186992 in words is "forty-nine million, one hundred eighty-six thousand, nine hundred ninety-two".