189374268 has 12 divisors (see below), whose sum is σ = 441873320. Its totient is φ = 63124752.

The previous prime is 189374267. The next prime is 189374287. The reversal of 189374268 is 862473981.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×189374268³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189374267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7890583 + ... + 7890606.

Almost surely, 2^189374268 is an apocalyptic number.

It is an amenable number.

189374268 is an abundant number, since it is smaller than the sum of its proper divisors (252499052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189374268 is a wasteful number, since it uses less digits than its factorization.

189374268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15781196 (or 15781194 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 189374268 is about 13761.3323482866. The cubic root of 189374268 is about 574.2579140170.

The spelling of 189374268 in words is "one hundred eighty-nine million, three hundred seventy-four thousand, two hundred sixty-eight".