189488367 has 6 divisors (see below), whose sum is σ = 273705432. Its totient is φ = 126325572.

The previous prime is 189488309. The next prime is 189488371. The reversal of 189488367 is 763884981.

It is not a de Polignac number, because 189488367 - 2¹⁰ = 189487343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189488267) 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, 10527123 + ... + 10527140.

It is an arithmetic number, because the mean of its divisors is an integer number (45617572).

Almost surely, 2^189488367 is an apocalyptic number.

189488367 is a deficient number, since it is larger than the sum of its proper divisors (84217065).

189488367 is a wasteful number, since it uses less digits than its factorization.

189488367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21054269 (or 21054266 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 54.

The square root of 189488367 is about 13765.4773618644. The cubic root of 189488367 is about 574.3732220077.

The spelling of 189488367 in words is "one hundred eighty-nine million, four hundred eighty-eight thousand, three hundred sixty-seven".