189167492 has 18 divisors (see below), whose sum is σ = 338934078. Its totient is φ = 92380512.

The previous prime is 189167491. The next prime is 189167507. The reversal of 189167492 is 294761981.

189167492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 113720896 + 75446596 = 10664^2 + 8686^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189167491) 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, 5393 + ... + 20184.

It is an arithmetic number, because the mean of its divisors is an integer number (18829671).

Almost surely, 2^189167492 is an apocalyptic number.

It is an amenable number.

189167492 is a deficient number, since it is larger than the sum of its proper divisors (149766586).

189167492 is a wasteful number, since it uses less digits than its factorization.

189167492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25667 (or 25622 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 189167492 is about 13753.8173610093. The cubic root of 189167492 is about 574.0488289427.

The spelling of 189167492 in words is "one hundred eighty-nine million, one hundred sixty-seven thousand, four hundred ninety-two".