189276764 has 6 divisors (see below), whose sum is σ = 331234344. Its totient is φ = 94638380.

The previous prime is 189276761. The next prime is 189276797. The reversal of 189276764 is 467672981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189276761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23659592 + ... + 23659599.

It is an arithmetic number, because the mean of its divisors is an integer number (55205724).

Almost surely, 2^189276764 is an apocalyptic number.

It is an amenable number.

189276764 is a deficient number, since it is larger than the sum of its proper divisors (141957580).

189276764 is a wasteful number, since it uses less digits than its factorization.

189276764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47319195 (or 47319193 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 50.

The square root of 189276764 is about 13757.7892119337. The cubic root of 189276764 is about 574.1593401599.

The spelling of 189276764 in words is "one hundred eighty-nine million, two hundred seventy-six thousand, seven hundred sixty-four".