189426956 has 24 divisors (see below), whose sum is σ = 348060720. Its totient is φ = 90078912.

The previous prime is 189426947. The next prime is 189426959. The reversal of 189426956 is 659624981.

It is not an unprimeable number, because it can be changed into a prime (189426959) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 4415 + ... + 19958.

It is an arithmetic number, because the mean of its divisors is an integer number (14502530).

Almost surely, 2^189426956 is an apocalyptic number.

It is an amenable number.

189426956 is a deficient number, since it is larger than the sum of its proper divisors (158633764).

189426956 is a wasteful number, since it uses less digits than its factorization.

189426956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24473 (or 24471 counting only the distinct ones).

The product of its digits is 933120, while the sum is 50.

The square root of 189426956 is about 13763.2465646736. The cubic root of 189426956 is about 574.3111660520.

The spelling of 189426956 in words is "one hundred eighty-nine million, four hundred twenty-six thousand, nine hundred fifty-six".