7198842 has 16 divisors (see below), whose sum is σ = 16454592. Its totient is φ = 2056800.

The previous prime is 7198813. The next prime is 7198847. The reversal of 7198842 is 2488917.

It is a super-2 number, since 2×7198842² = 103646652281928, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7198842.

It is not an unprimeable number, because it can be changed into a prime (7198847) 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, 85659 + ... + 85742.

It is an arithmetic number, because the mean of its divisors is an integer number (1028412).

Almost surely, 2^7198842 is an apocalyptic number.

7198842 is an abundant number, since it is smaller than the sum of its proper divisors (9255750).

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

7198842 is a wasteful number, since it uses less digits than its factorization.

7198842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171413.

The product of its digits is 32256, while the sum is 39.

The square root of 7198842 is about 2683.0657837630. The cubic root of 7198842 is about 193.0875241743.

The spelling of 7198842 in words is "seven million, one hundred ninety-eight thousand, eight hundred forty-two".