198309480 has 64 divisors (see below), whose sum is σ = 614131200. Its totient is φ = 51175680.

The previous prime is 198309469. The next prime is 198309509. The reversal of 198309480 is 84903891.

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, 22935 + ... + 30374.

It is an arithmetic number, because the mean of its divisors is an integer number (9595800).

Almost surely, 2^198309480 is an apocalyptic number.

198309480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198309480 is an abundant number, since it is smaller than the sum of its proper divisors (415821720).

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

198309480 is a wasteful number, since it uses less digits than its factorization.

198309480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53354 (or 53350 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 198309480 is about 14082.2398786557. The cubic root of 198309480 is about 583.1511797700.

The spelling of 198309480 in words is "one hundred ninety-eight million, three hundred nine thousand, four hundred eighty".