198313755 has 32 divisors (see below), whose sum is σ = 336835584. Its totient is φ = 99288576.

The previous prime is 198313741. The next prime is 198313763. The reversal of 198313755 is 557313891.

198313755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 198313755 - 2⁸ = 198313499 is a prime.

It is a super-4 number, since 4×198313755⁴ (a number of 34 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132622 + ... + 134108.

It is an arithmetic number, because the mean of its divisors is an integer number (10526112).

Almost surely, 2^198313755 is an apocalyptic number.

198313755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

198313755 is a deficient number, since it is larger than the sum of its proper divisors (138521829).

198313755 is a wasteful number, since it uses less digits than its factorization.

198313755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035.

The product of its digits is 113400, while the sum is 42.

The square root of 198313755 is about 14082.3916647706. The cubic root of 198313755 is about 583.1553701116.

The spelling of 198313755 in words is "one hundred ninety-eight million, three hundred thirteen thousand, seven hundred fifty-five".