189480740 has 24 divisors (see below), whose sum is σ = 398170752. Its totient is φ = 75742560.

The previous prime is 189480719. The next prime is 189480763. The reversal of 189480740 is 47084981.

It is a happy number.

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, 51647 + ... + 55193.

It is an arithmetic number, because the mean of its divisors is an integer number (16590448).

Almost surely, 2^189480740 is an apocalyptic number.

189480740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

189480740 is an abundant number, since it is smaller than the sum of its proper divisors (208690012).

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

189480740 is a wasteful number, since it uses less digits than its factorization.

189480740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6227 (or 6225 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 41.

The square root of 189480740 is about 13765.2003254584. The cubic root of 189480740 is about 574.3655156360.

The spelling of 189480740 in words is "one hundred eighty-nine million, four hundred eighty thousand, seven hundred forty".