189946367 has 6 divisors (see below), whose sum is σ = 205681752. Its totient is φ = 175334952.

The previous prime is 189946349. The next prime is 189946369. The reversal of 189946367 is 763649981.

It is not a de Polignac number, because 189946367 - 2⁶ = 189946303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189946369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 561803 + ... + 562140.

It is an arithmetic number, because the mean of its divisors is an integer number (34280292).

Almost surely, 2^189946367 is an apocalyptic number.

189946367 is a deficient number, since it is larger than the sum of its proper divisors (15735385).

189946367 is a wasteful number, since it uses less digits than its factorization.

189946367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1123969 (or 1123956 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 53.

The square root of 189946367 is about 13782.1031413932. The cubic root of 189946367 is about 574.8356097167.

The spelling of 189946367 in words is "one hundred eighty-nine million, nine hundred forty-six thousand, three hundred sixty-seven".