189676773 has 48 divisors (see below), whose sum is σ = 323616384. Its totient is φ = 105540480.

The previous prime is 189676673. The next prime is 189676787. The reversal of 189676773 is 377676981.

It is not a de Polignac number, because 189676773 - 2⁸ = 189676517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189676673) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 376840 + ... + 377342.

It is an arithmetic number, because the mean of its divisors is an integer number (6742008).

Almost surely, 2^189676773 is an apocalyptic number.

189676773 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

189676773 is a deficient number, since it is larger than the sum of its proper divisors (133939611).

189676773 is a wasteful number, since it uses less digits than its factorization.

189676773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 823 counting only the distinct ones).

The product of its digits is 2667168, while the sum is 54.

The square root of 189676773 is about 13772.3190857604. The cubic root of 189676773 is about 574.5635230748.

The spelling of 189676773 in words is "one hundred eighty-nine million, six hundred seventy-six thousand, seven hundred seventy-three".