195220984 has 32 divisors (see below), whose sum is σ = 425196000. Its totient is φ = 82293120.

The previous prime is 195220973. The next prime is 195220997. The reversal of 195220984 is 489022591.

It is a super-2 number, since 2×195220984² = 76222465187856512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25159 + ... + 31990.

It is an arithmetic number, because the mean of its divisors is an integer number (13287375).

Almost surely, 2^195220984 is an apocalyptic number.

195220984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

195220984 is an abundant number, since it is smaller than the sum of its proper divisors (229975016).

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

195220984 is a wasteful number, since it uses less digits than its factorization.

195220984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57223 (or 57219 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 195220984 is about 13972.1502997928. The cubic root of 195220984 is about 580.1079703869.

The spelling of 195220984 in words is "one hundred ninety-five million, two hundred twenty thousand, nine hundred eighty-four".