189493336 has 8 divisors (see below), whose sum is σ = 355300020. Its totient is φ = 94746664.

The previous prime is 189493313. The next prime is 189493361. The reversal of 189493336 is 633394981.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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 as a sum of consecutive naturals, namely, 11843326 + ... + 11843341.

Almost surely, 2^189493336 is an apocalyptic number.

It is an amenable number.

189493336 is a deficient number, since it is larger than the sum of its proper divisors (165806684).

189493336 is a wasteful number, since it uses less digits than its factorization.

189493336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23686673 (or 23686669 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 189493336 is about 13765.6578484285. The cubic root of 189493336 is about 574.3782426072.

The spelling of 189493336 in words is "one hundred eighty-nine million, four hundred ninety-three thousand, three hundred thirty-six".