189652620 has 24 divisors (see below), whose sum is σ = 531027504. Its totient is φ = 50574016.

The previous prime is 189652601. The next prime is 189652633. The reversal of 189652620 is 26256981.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1580379 + ... + 1580498.

It is an arithmetic number, because the mean of its divisors is an integer number (22126146).

Almost surely, 2^189652620 is an apocalyptic number.

189652620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189652620 is an abundant number, since it is smaller than the sum of its proper divisors (341374884).

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

189652620 is a wasteful number, since it uses less digits than its factorization.

189652620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3160889 (or 3160887 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 189652620 is about 13771.4421902719. The cubic root of 189652620 is about 574.5391341777.

The spelling of 189652620 in words is "one hundred eighty-nine million, six hundred fifty-two thousand, six hundred twenty".