195947420 has 12 divisors (see below), whose sum is σ = 411489624. Its totient is φ = 78378960.

The previous prime is 195947407. The next prime is 195947441. The reversal of 195947420 is 24749591.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4898666 + ... + 4898705.

It is an arithmetic number, because the mean of its divisors is an integer number (34290802).

Almost surely, 2^195947420 is an apocalyptic number.

195947420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195947420 is an abundant number, since it is smaller than the sum of its proper divisors (215542204).

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

195947420 is a wasteful number, since it uses less digits than its factorization.

195947420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9797380 (or 9797378 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 195947420 is about 13998.1220168993. The cubic root of 195947420 is about 580.8266255214.

The spelling of 195947420 in words is "one hundred ninety-five million, nine hundred forty-seven thousand, four hundred twenty".