49398618 has 32 divisors (see below), whose sum is σ = 103514112. Its totient is φ = 15686000.

The previous prime is 49398581. The next prime is 49398619. The reversal of 49398618 is 81689394.

It is not an unprimeable number, because it can be changed into a prime (49398619) 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, 42343 + ... + 43493.

It is an arithmetic number, because the mean of its divisors is an integer number (3234816).

Almost surely, 2^49398618 is an apocalyptic number.

49398618 is an abundant number, since it is smaller than the sum of its proper divisors (54115494).

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

49398618 is a wasteful number, since it uses less digits than its factorization.

49398618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490.

The product of its digits is 373248, while the sum is 48.

The square root of 49398618 is about 7028.4150418142. The cubic root of 49398618 is about 366.9201815195.

The spelling of 49398618 in words is "forty-nine million, three hundred ninety-eight thousand, six hundred eighteen".