198452256 has 24 divisors (see below), whose sum is σ = 520937424. Its totient is φ = 66150720.

The previous prime is 198452251. The next prime is 198452269. The reversal of 198452256 is 652254891.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×198452256² = 78766595822979072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (198452251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1033510 + ... + 1033701.

It is an arithmetic number, because the mean of its divisors is an integer number (21705726).

Almost surely, 2^198452256 is an apocalyptic number.

198452256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

198452256 is an abundant number, since it is smaller than the sum of its proper divisors (322485168).

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

198452256 is a wasteful number, since it uses less digits than its factorization.

198452256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067224 (or 2067216 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 198452256 is about 14087.3083305506. The cubic root of 198452256 is about 583.2910957898.

The spelling of 198452256 in words is "one hundred ninety-eight million, four hundred fifty-two thousand, two hundred fifty-six".