198495394 has 16 divisors (see below), whose sum is σ = 313750080. Its totient is φ = 93923280.

The previous prime is 198495377. The next prime is 198495421. The reversal of 198495394 is 493594891.

198495394 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 7 ways as a sum of consecutive naturals, for example, 42667 + ... + 47089.

It is an arithmetic number, because the mean of its divisors is an integer number (19609380).

Almost surely, 2^198495394 is an apocalyptic number.

198495394 is a deficient number, since it is larger than the sum of its proper divisors (115254686).

198495394 is a wasteful number, since it uses less digits than its factorization.

198495394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625.

The product of its digits is 1399680, while the sum is 52.

The square root of 198495394 is about 14088.8393418337. The cubic root of 198495394 is about 583.3333564807. Note that the first 4 decimals are identical.

The spelling of 198495394 in words is "one hundred ninety-eight million, four hundred ninety-five thousand, three hundred ninety-four".