189080436 has 24 divisors (see below), whose sum is σ = 450576000. Its totient is φ = 61685632.

The previous prime is 189080429. The next prime is 189080453. The reversal of 189080436 is 634080981.

It is a super-2 number, since 2×189080436² = 71502822555900192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 189080394 and 189080403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167061 + ... + 168188.

It is an arithmetic number, because the mean of its divisors is an integer number (18774000).

Almost surely, 2^189080436 is an apocalyptic number.

It is an amenable number.

189080436 is an abundant number, since it is smaller than the sum of its proper divisors (261495564).

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

189080436 is a wasteful number, since it uses less digits than its factorization.

189080436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335303 (or 335301 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 189080436 is about 13750.6522027139. The cubic root of 189080436 is about 573.9607552072.

The spelling of 189080436 in words is "one hundred eighty-nine million, eighty thousand, four hundred thirty-six".