189034452 has 24 divisors (see below), whose sum is σ = 490089600. Its totient is φ = 63011448.

The previous prime is 189034451. The next prime is 189034457. The reversal of 189034452 is 254430981.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189034451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875052 + ... + 875267.

It is an arithmetic number, because the mean of its divisors is an integer number (20420400).

Almost surely, 2^189034452 is an apocalyptic number.

189034452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189034452 is an abundant number, since it is smaller than the sum of its proper divisors (301055148).

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

189034452 is a wasteful number, since it uses less digits than its factorization.

189034452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750332 (or 1750324 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 189034452 is about 13748.9800348971. The cubic root of 189034452 is about 573.9142227159.

The spelling of 189034452 in words is "one hundred eighty-nine million, thirty-four thousand, four hundred fifty-two".