195964290 has 48 divisors (see below), whose sum is σ = 536328000. Its totient is φ = 49506336.

The previous prime is 195964283. The next prime is 195964343. The reversal of 195964290 is 92469591.

195964290 is a `hidden beast` number, since 19 + 596 + 42 + 9 + 0 = 666.

195964290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55590 + ... + 59009.

It is an arithmetic number, because the mean of its divisors is an integer number (11173500).

Almost surely, 2^195964290 is an apocalyptic number.

195964290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195964290 is an abundant number, since it is smaller than the sum of its proper divisors (340363710).

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

195964290 is a wasteful number, since it uses less digits than its factorization.

195964290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114631 (or 114628 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 195964290 is about 13998.7245847613. The cubic root of 195964290 is about 580.8432937071.

The spelling of 195964290 in words is "one hundred ninety-five million, nine hundred sixty-four thousand, two hundred ninety".