189925002 has 24 divisors (see below), whose sum is σ = 425695140. Its totient is φ = 61125120.

The previous prime is 189924991. The next prime is 189925019. The reversal of 189925002 is 200529981.

It can be written as a sum of positive squares in 2 ways, for example, as 172108161 + 17816841 = 13119^2 + 4221^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181399 + ... + 182442.

Almost surely, 2^189925002 is an apocalyptic number.

189925002 is an abundant number, since it is smaller than the sum of its proper divisors (235770138).

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

189925002 is a wasteful number, since it uses less digits than its factorization.

189925002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363878 (or 363875 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 189925002 is about 13781.3280201873. The cubic root of 189925002 is about 574.8140565743.

The spelling of 189925002 in words is "one hundred eighty-nine million, nine hundred twenty-five thousand, two".