289194272 has 24 divisors (see below), whose sum is σ = 594107136. Its totient is φ = 138309952.

The previous prime is 289194271. The next prime is 289194277. The reversal of 289194272 is 272491982.

It is a super-3 number, since 3×289194272³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (289194271) 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, 195728 + ... + 197199.

It is an arithmetic number, because the mean of its divisors is an integer number (24754464).

Almost surely, 2^289194272 is an apocalyptic number.

It is an amenable number.

289194272 is an abundant number, since it is smaller than the sum of its proper divisors (304912864).

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

289194272 is a wasteful number, since it uses less digits than its factorization.

289194272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392960 (or 392952 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The square root of 289194272 is about 17005.7129224270. The cubic root of 289194272 is about 661.2970148211.

The spelling of 289194272 in words is "two hundred eighty-nine million, one hundred ninety-four thousand, two hundred seventy-two".