189699486 has 16 divisors (see below), whose sum is σ = 380106768. Its totient is φ = 63115200.

The previous prime is 189699467. The next prime is 189699487. The reversal of 189699486 is 684996981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189699487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25975 + ... + 32466.

It is an arithmetic number, because the mean of its divisors is an integer number (23756673).

Almost surely, 2^189699486 is an apocalyptic number.

189699486 is an abundant number, since it is smaller than the sum of its proper divisors (190407282).

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

189699486 is a wasteful number, since it uses less digits than its factorization.

189699486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58987.

The product of its digits is 6718464, while the sum is 60.

The square root of 189699486 is about 13773.1436498717. The cubic root of 189699486 is about 574.5864560187.

The spelling of 189699486 in words is "one hundred eighty-nine million, six hundred ninety-nine thousand, four hundred eighty-six".