49769986 has 16 divisors (see below), whose sum is σ = 87062400. Its totient is φ = 21329700.

The previous prime is 49769959. The next prime is 49769989. The reversal of 49769986 is 68996794.

It is a self number, because there is not a number n which added to its sum of digits gives 49769986.

It is not an unprimeable number, because it can be changed into a prime (49769989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35590 + ... + 36961.

It is an arithmetic number, because the mean of its divisors is an integer number (5441400).

Almost surely, 2^49769986 is an apocalyptic number.

49769986 is a deficient number, since it is larger than the sum of its proper divisors (37292414).

49769986 is an equidigital number, since it uses as much as digits as its factorization.

49769986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72574 (or 72560 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 58.

The square root of 49769986 is about 7054.7846175486. The cubic root of 49769986 is about 367.8373621670.

The spelling of 49769986 in words is "forty-nine million, seven hundred sixty-nine thousand, nine hundred eighty-six".