189023370 has 32 divisors (see below), whose sum is σ = 459127872. Its totient is φ = 49798272.

The previous prime is 189023339. The next prime is 189023377. The reversal of 189023370 is 73320981.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189023377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35467 + ... + 40446.

It is an arithmetic number, because the mean of its divisors is an integer number (14347746).

Almost surely, 2^189023370 is an apocalyptic number.

189023370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189023370 is an abundant number, since it is smaller than the sum of its proper divisors (270104502).

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

189023370 is a wasteful number, since it uses less digits than its factorization.

189023370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76006.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 189023370 is about 13748.5770172771. The cubic root of 189023370 is about 573.9030074028.

The spelling of 189023370 in words is "one hundred eighty-nine million, twenty-three thousand, three hundred seventy".