198695380 has 48 divisors (see below), whose sum is σ = 450455040. Its totient is φ = 73185408.

The previous prime is 198695363. The next prime is 198695423. The reversal of 198695380 is 83596891.

It is a super-3 number, since 3×198695380³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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, 157191 + ... + 158449.

It is an arithmetic number, because the mean of its divisors is an integer number (9384480).

Almost surely, 2^198695380 is an apocalyptic number.

198695380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198695380 is an abundant number, since it is smaller than the sum of its proper divisors (251759660).

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

198695380 is a wasteful number, since it uses less digits than its factorization.

198695380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888 (or 1886 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 49.

The square root of 198695380 is about 14095.9348749914. The cubic root of 198695380 is about 583.5291953631.

The spelling of 198695380 in words is "one hundred ninety-eight million, six hundred ninety-five thousand, three hundred eighty".