198649504 has 24 divisors (see below), whose sum is σ = 392551488. Its totient is φ = 98953920.

The previous prime is 198649453. The next prime is 198649531. The reversal of 198649504 is 405946891.

It is a happy number.

198649504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2782 + ... + 20125.

It is an arithmetic number, because the mean of its divisors is an integer number (16356312).

Almost surely, 2^198649504 is an apocalyptic number.

It is an amenable number.

198649504 is a deficient number, since it is larger than the sum of its proper divisors (193901984).

198649504 is a wasteful number, since it uses less digits than its factorization.

198649504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23188 (or 23180 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 198649504 is about 14094.3075033859. The cubic root of 198649504 is about 583.4842823143.

The spelling of 198649504 in words is "one hundred ninety-eight million, six hundred forty-nine thousand, five hundred four".