189464552 has 16 divisors (see below), whose sum is σ = 355484160. Its totient is φ = 94668784.

The previous prime is 189464503. The next prime is 189464573. The reversal of 189464552 is 255464981.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6233 + ... + 20439.

It is an arithmetic number, because the mean of its divisors is an integer number (22217760).

Almost surely, 2^189464552 is an apocalyptic number.

It is an amenable number.

189464552 is a deficient number, since it is larger than the sum of its proper divisors (166019608).

189464552 is a wasteful number, since it uses less digits than its factorization.

189464552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15880 (or 15876 counting only the distinct ones).

The product of its digits is 345600, while the sum is 44.

The square root of 189464552 is about 13764.6123083798. The cubic root of 189464552 is about 574.3491584876.

The spelling of 189464552 in words is "one hundred eighty-nine million, four hundred sixty-four thousand, five hundred fifty-two".