102198958 has 16 divisors (see below), whose sum is σ = 162874080. Its totient is φ = 48002976.

The previous prime is 102198953. The next prime is 102198977. The reversal of 102198958 is 859891201.

It is a super-3 number, since 3×102198958³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102198953) 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, 21666 + ... + 25957.

It is an arithmetic number, because the mean of its divisors is an integer number (10179630).

Almost surely, 2^102198958 is an apocalyptic number.

102198958 is a deficient number, since it is larger than the sum of its proper divisors (60675122).

102198958 is a wasteful number, since it uses less digits than its factorization.

102198958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47691.

The product of its (nonzero) digits is 51840, while the sum is 43.

The square root of 102198958 is about 10109.3500285627. The cubic root of 102198958 is about 467.5364654561.

The spelling of 102198958 in words is "one hundred two million, one hundred ninety-eight thousand, nine hundred fifty-eight".