198046380 has 48 divisors (see below), whose sum is σ = 633749760. Its totient is φ = 45267648.

The previous prime is 198046369. The next prime is 198046397. The reversal of 198046380 is 83640891.

It is a super-2 number, since 2×198046380² = 78444737262208800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235350 + ... + 236189.

It is an arithmetic number, because the mean of its divisors is an integer number (13203120).

Almost surely, 2^198046380 is an apocalyptic number.

198046380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198046380 is an abundant number, since it is smaller than the sum of its proper divisors (435703380).

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

198046380 is a wasteful number, since it uses less digits than its factorization.

198046380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471558 (or 471556 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 198046380 is about 14072.8952245087. The cubic root of 198046380 is about 582.8931739891.

The spelling of 198046380 in words is "one hundred ninety-eight million, forty-six thousand, three hundred eighty".