195494620 has 24 divisors (see below), whose sum is σ = 419275584. Its totient is φ = 76533696.

The previous prime is 195494603. The next prime is 195494623. The reversal of 195494620 is 26494591.

195494620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195494623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103047 + ... + 104926.

It is an arithmetic number, because the mean of its divisors is an integer number (17469816).

Almost surely, 2^195494620 is an apocalyptic number.

195494620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195494620 is an abundant number, since it is smaller than the sum of its proper divisors (223780964).

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

195494620 is a wasteful number, since it uses less digits than its factorization.

195494620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208029 (or 208027 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 195494620 is about 13981.9390643787. The cubic root of 195494620 is about 580.3788844260.

The spelling of 195494620 in words is "one hundred ninety-five million, four hundred ninety-four thousand, six hundred twenty".