198192514 has 32 divisors (see below), whose sum is σ = 331269120. Its totient is φ = 88350912.

The previous prime is 198192481. The next prime is 198192529. The reversal of 198192514 is 415291891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95512 + ... + 97564.

It is an arithmetic number, because the mean of its divisors is an integer number (10352160).

Almost surely, 2^198192514 is an apocalyptic number.

198192514 is a deficient number, since it is larger than the sum of its proper divisors (133076606).

198192514 is a wasteful number, since it uses less digits than its factorization.

198192514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194.

The product of its digits is 25920, while the sum is 40.

The square root of 198192514 is about 14078.0863046083. The cubic root of 198192514 is about 583.0365066919.

The spelling of 198192514 in words is "one hundred ninety-eight million, one hundred ninety-two thousand, five hundred fourteen".