195421492 has 24 divisors (see below), whose sum is σ = 393111936. Its totient is φ = 83265888.

The previous prime is 195421481. The next prime is 195421507. The reversal of 195421492 is 294124591.

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, 15328 + ... + 25015.

It is an arithmetic number, because the mean of its divisors is an integer number (16379664).

Almost surely, 2^195421492 is an apocalyptic number.

It is an amenable number.

195421492 is an abundant number, since it is smaller than the sum of its proper divisors (197690444).

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

195421492 is a wasteful number, since it uses less digits than its factorization.

195421492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40527 (or 40525 counting only the distinct ones).

The product of its digits is 25920, while the sum is 37.

The square root of 195421492 is about 13979.3237318548. The cubic root of 195421492 is about 580.3065086232.

The spelling of 195421492 in words is "one hundred ninety-five million, four hundred twenty-one thousand, four hundred ninety-two".