198956460 has 48 divisors (see below), whose sum is σ = 557690112. Its totient is φ = 52996800.

The previous prime is 198956453. The next prime is 198956473. The reversal of 198956460 is 64659891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107745 + ... + 109575.

It is an arithmetic number, because the mean of its divisors is an integer number (11618544).

Almost surely, 2^198956460 is an apocalyptic number.

198956460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198956460 is an abundant number, since it is smaller than the sum of its proper divisors (358733652).

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

198956460 is a wasteful number, since it uses less digits than its factorization.

198956460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654 (or 3652 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 198956460 is about 14105.1926608608. The cubic root of 198956460 is about 583.7846636820.

The spelling of 198956460 in words is "one hundred ninety-eight million, nine hundred fifty-six thousand, four hundred sixty".