189502494 has 8 divisors (see below), whose sum is σ = 379005000. Its totient is φ = 63167496.

The previous prime is 189502487. The next prime is 189502499. The reversal of 189502494 is 494205981.

189502494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

189502494 is an admirable number.

It is a super-2 number, since 2×189502494² = 71822390464440072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189502499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15791869 + ... + 15791880.

It is an arithmetic number, because the mean of its divisors is an integer number (47375625).

Almost surely, 2^189502494 is an apocalyptic number.

189502494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

189502494 is a wasteful number, since it uses less digits than its factorization.

189502494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31583754.

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 189502494 is about 13765.9904837974. The cubic root of 189502494 is about 574.3874954764.

The spelling of 189502494 in words is "one hundred eighty-nine million, five hundred two thousand, four hundred ninety-four".