189011364 has 12 divisors (see below), whose sum is σ = 441026544. Its totient is φ = 63003784.

The previous prime is 189011363. The next prime is 189011399. The reversal of 189011364 is 463110981.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×189011364² = 71450591442280992, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (189011363) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 7875462 + ... + 7875485.

It is an arithmetic number, because the mean of its divisors is an integer number (36752212).

Almost surely, 2^189011364 is an apocalyptic number.

It is an amenable number.

189011364 is an abundant number, since it is smaller than the sum of its proper divisors (252015180).

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

189011364 is a wasteful number, since it uses less digits than its factorization.

189011364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15750954 (or 15750952 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 189011364 is about 13748.1403833391. The cubic root of 189011364 is about 573.8908564795.

The spelling of 189011364 in words is "one hundred eighty-nine million, eleven thousand, three hundred sixty-four".