7398618 has 16 divisors (see below), whose sum is σ = 14911776. Its totient is φ = 2447120.

The previous prime is 7398613. The next prime is 7398647. The reversal of 7398618 is 8168937.

7398618 is nontrivially palindromic in base 5.

7398618 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 7398618.

It is not an unprimeable number, because it can be changed into a prime (7398613) 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, 3921 + ... + 5492.

It is an arithmetic number, because the mean of its divisors is an integer number (931986).

Almost surely, 2^7398618 is an apocalyptic number.

7398618 is an abundant number, since it is smaller than the sum of its proper divisors (7513158).

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

7398618 is a wasteful number, since it uses less digits than its factorization.

7398618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549.

The product of its digits is 72576, while the sum is 42.

The square root of 7398618 is about 2720.0400732342. The cubic root of 7398618 is about 194.8573842159.

The spelling of 7398618 in words is "seven million, three hundred ninety-eight thousand, six hundred eighteen".