189884036 has 12 divisors (see below), whose sum is σ = 332782800. Its totient is φ = 94803240.

The previous prime is 189884029. The next prime is 189884039. The reversal of 189884036 is 630488981.

It is not an unprimeable number, because it can be changed into a prime (189884039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31586 + ... + 37113.

It is an arithmetic number, because the mean of its divisors is an integer number (27731900).

Almost surely, 2^189884036 is an apocalyptic number.

It is an amenable number.

189884036 is a deficient number, since it is larger than the sum of its proper divisors (142898764).

189884036 is a wasteful number, since it uses less digits than its factorization.

189884036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69394 (or 69392 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 189884036 is about 13779.8416536621. The cubic root of 189884036 is about 574.7727253020.

The spelling of 189884036 in words is "one hundred eighty-nine million, eight hundred eighty-four thousand, thirty-six".