191425892 has 24 divisors (see below), whose sum is σ = 384846336. Its totient is φ = 81612288.

The previous prime is 191425891. The next prime is 191425907. The reversal of 191425892 is 298524191.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (191425891) 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, 12308 + ... + 23115.

It is an arithmetic number, because the mean of its divisors is an integer number (16035264).

Almost surely, 2^191425892 is an apocalyptic number.

It is an amenable number.

191425892 is an abundant number, since it is smaller than the sum of its proper divisors (193420444).

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

191425892 is a wasteful number, since it uses less digits than its factorization.

191425892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35627 (or 35625 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 191425892 is about 13835.6746131152. The cubic root of 191425892 is about 576.3242491804.

The spelling of 191425892 in words is "one hundred ninety-one million, four hundred twenty-five thousand, eight hundred ninety-two".