49688418 has 32 divisors (see below), whose sum is σ = 111678336. Its totient is φ = 14623488.

The previous prime is 49688411. The next prime is 49688423. The reversal of 49688418 is 81488694.

It is not an unprimeable number, because it can be changed into a prime (49688411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12055 + ... + 15642.

It is an arithmetic number, because the mean of its divisors is an integer number (3489948).

Almost surely, 2^49688418 is an apocalyptic number.

49688418 is an abundant number, since it is smaller than the sum of its proper divisors (61989918).

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

49688418 is a wasteful number, since it uses less digits than its factorization.

49688418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27738.

The product of its digits is 442368, while the sum is 48.

The square root of 49688418 is about 7049.0012058447. The cubic root of 49688418 is about 367.6363028114.

The spelling of 49688418 in words is "forty-nine million, six hundred eighty-eight thousand, four hundred eighteen".