195200390 has 32 divisors (see below), whose sum is σ = 438061824. Its totient is φ = 60841440.

The previous prime is 195200359. The next prime is 195200417. The reversal of 195200390 is 93002591.

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, 125984 + ... + 127523.

It is an arithmetic number, because the mean of its divisors is an integer number (13689432).

Almost surely, 2^195200390 is an apocalyptic number.

195200390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195200390 is an abundant number, since it is smaller than the sum of its proper divisors (242861434).

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

195200390 is a wasteful number, since it uses less digits than its factorization.

195200390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253532.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 195200390 is about 13971.4133143358. The cubic root of 195200390 is about 580.0875710026.

The spelling of 195200390 in words is "one hundred ninety-five million, two hundred thousand, three hundred ninety".