198653514 has 16 divisors (see below), whose sum is σ = 399688128. Its totient is φ = 65820992.

The previous prime is 198653491. The next prime is 198653557. The reversal of 198653514 is 415356891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98127 + ... + 100130.

It is an arithmetic number, because the mean of its divisors is an integer number (24980508).

Almost surely, 2^198653514 is an apocalyptic number.

198653514 is an abundant number, since it is smaller than the sum of its proper divisors (201034614).

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

198653514 is a wasteful number, since it uses less digits than its factorization.

198653514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198429.

The product of its digits is 129600, while the sum is 42.

The square root of 198653514 is about 14094.4497586816. The cubic root of 198653514 is about 583.4882084190.

The spelling of 198653514 in words is "one hundred ninety-eight million, six hundred fifty-three thousand, five hundred fourteen".