198776396 has 48 divisors (see below), whose sum is σ = 446767104. Its totient is φ = 75214656.

The previous prime is 198776339. The next prime is 198776399. The reversal of 198776396 is 693677891.

198776396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (198776399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3500 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (9307648).

Almost surely, 2^198776396 is an apocalyptic number.

It is an amenable number.

198776396 is an abundant number, since it is smaller than the sum of its proper divisors (247990708).

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

198776396 is a wasteful number, since it uses less digits than its factorization.

198776396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23790 (or 23788 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 56.

The square root of 198776396 is about 14098.8083184360. The cubic root of 198776396 is about 583.6084939313.

The spelling of 198776396 in words is "one hundred ninety-eight million, seven hundred seventy-six thousand, three hundred ninety-six".