189313336 has 8 divisors (see below), whose sum is σ = 354962520. Its totient is φ = 94656664.

The previous prime is 189313301. The next prime is 189313357. The reversal of 189313336 is 633313981.

It is a happy number.

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 (37) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 189313295 and 189313304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11832076 + ... + 11832091.

It is an arithmetic number, because the mean of its divisors is an integer number (44370315).

Almost surely, 2^189313336 is an apocalyptic number.

It is an amenable number.

189313336 is a deficient number, since it is larger than the sum of its proper divisors (165649184).

189313336 is a wasteful number, since it uses less digits than its factorization.

189313336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23664173 (or 23664169 counting only the distinct ones).

The product of its digits is 34992, while the sum is 37.

The square root of 189313336 is about 13759.1182857042. The cubic root of 189313336 is about 574.1963174107.

The spelling of 189313336 in words is "one hundred eighty-nine million, three hundred thirteen thousand, three hundred thirty-six".