189486516 has 48 divisors (see below), whose sum is σ = 454164480. Its totient is φ = 61459680.

The previous prime is 189486511. The next prime is 189486527. The reversal of 189486516 is 615684981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189486511) 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, 106845 + ... + 108603.

It is an arithmetic number, because the mean of its divisors is an integer number (9461760).

Almost surely, 2^189486516 is an apocalyptic number.

It is an amenable number.

189486516 is an abundant number, since it is smaller than the sum of its proper divisors (264677964).

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

189486516 is a wasteful number, since it uses less digits than its factorization.

189486516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 2002 counting only the distinct ones).

The product of its digits is 414720, while the sum is 48.

The square root of 189486516 is about 13765.4101282889. The cubic root of 189486516 is about 574.3713517639.

It can be divided in two parts, 1894 and 86516, that added together give a triangular number (88410 = T₄₂₀).

The spelling of 189486516 in words is "one hundred eighty-nine million, four hundred eighty-six thousand, five hundred sixteen".