189271796 has 12 divisors (see below), whose sum is σ = 378543648. Its totient is φ = 81116472.

The previous prime is 189271793. The next prime is 189271811. The reversal of 189271796 is 697172981.

189271796 is an admirable number.

It is a super-2 number, since 2×189271796² = 71647625522131232, which contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189271793) 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 3 ways as a sum of consecutive naturals, for example, 3379826 + ... + 3379881.

It is an arithmetic number, because the mean of its divisors is an integer number (31545304).

Almost surely, 2^189271796 is an apocalyptic number.

It is an amenable number.

189271796 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.

189271796 is a wasteful number, since it uses less digits than its factorization.

189271796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759718 (or 6759716 counting only the distinct ones).

The product of its digits is 381024, while the sum is 50.

The square root of 189271796 is about 13757.6086584842. The cubic root of 189271796 is about 574.1543167426.

The spelling of 189271796 in words is "one hundred eighty-nine million, two hundred seventy-one thousand, seven hundred ninety-six".