192925889 has 8 divisors (see below), whose sum is σ = 208509672. Its totient is φ = 177448320.

The previous prime is 192925849. The next prime is 192925891. The reversal of 192925889 is 988529291.

It can be written as a sum of positive squares in 4 ways, for example, as 2016400 + 190909489 = 1420^2 + 13817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-192925889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 192925889.

It is not an unprimeable number, because it can be changed into a prime (192925849) 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, 22754 + ... + 30059.

It is an arithmetic number, because the mean of its divisors is an integer number (26063709).

Almost surely, 2^192925889 is an apocalyptic number.

It is an amenable number.

192925889 is a deficient number, since it is larger than the sum of its proper divisors (15583783).

192925889 is a wasteful number, since it uses less digits than its factorization.

192925889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53107.

The product of its digits is 933120, while the sum is 53.

The square root of 192925889 is about 13889.7764200868. The cubic root of 192925889 is about 577.8256768872.

The spelling of 192925889 in words is "one hundred ninety-two million, nine hundred twenty-five thousand, eight hundred eighty-nine".