49479818 has 8 divisors (see below), whose sum is σ = 74353248. Its totient is φ = 24695404.

The previous prime is 49479811. The next prime is 49479821. The reversal of 49479818 is 81897494.

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

It is not an unprimeable number, because it can be changed into a prime (49479811) 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, 20846 + ... + 23097.

It is an arithmetic number, because the mean of its divisors is an integer number (9294156).

Almost surely, 2^49479818 is an apocalyptic number.

49479818 is a deficient number, since it is larger than the sum of its proper divisors (24873430).

49479818 is a wasteful number, since it uses less digits than its factorization.

49479818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44508.

The product of its digits is 580608, while the sum is 50.

The square root of 49479818 is about 7034.1892212251. The cubic root of 49479818 is about 367.1211156755.

The spelling of 49479818 in words is "forty-nine million, four hundred seventy-nine thousand, eight hundred eighteen".