189774088 has 32 divisors (see below), whose sum is σ = 407295360. Its totient is φ = 81204480.

The previous prime is 189774061. The next prime is 189774103. The reversal of 189774088 is 880477981.

189774088 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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, 39328 + ... + 43888.

It is an arithmetic number, because the mean of its divisors is an integer number (12727980).

Almost surely, 2^189774088 is an apocalyptic number.

It is an amenable number.

189774088 is an abundant number, since it is smaller than the sum of its proper divisors (217521272).

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

189774088 is a wasteful number, since it uses less digits than its factorization.

189774088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317 (or 5313 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 52.

The square root of 189774088 is about 13775.8516252172. The cubic root of 189774088 is about 574.6617675581.

The spelling of 189774088 in words is "one hundred eighty-nine million, seven hundred seventy-four thousand, eighty-eight".