49493418 has 16 divisors (see below), whose sum is σ = 106601376. Its totient is φ = 15228720.

The previous prime is 49493407. The next prime is 49493419. The reversal of 49493418 is 81439494.

It is a self number, because there is not a number n which added to its sum of digits gives 49493418.

It is not an unprimeable number, because it can be changed into a prime (49493419) 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, 317188 + ... + 317343.

It is an arithmetic number, because the mean of its divisors is an integer number (6662586).

Almost surely, 2^49493418 is an apocalyptic number.

49493418 is an abundant number, since it is smaller than the sum of its proper divisors (57107958).

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

49493418 is a wasteful number, since it uses less digits than its factorization.

49493418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634549.

The product of its digits is 124416, while the sum is 42.

The square root of 49493418 is about 7035.1558618129. The cubic root of 49493418 is about 367.1547481746.

The spelling of 49493418 in words is "forty-nine million, four hundred ninety-three thousand, four hundred eighteen".