289272748 has 24 divisors (see below), whose sum is σ = 559312992. Its totient is φ = 130209024.

The previous prime is 289272691. The next prime is 289272751. The reversal of 289272748 is 847272982.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90915 + ... + 94042.

It is an arithmetic number, because the mean of its divisors is an integer number (23304708).

Almost surely, 2^289272748 is an apocalyptic number.

It is an amenable number.

289272748 is a deficient number, since it is larger than the sum of its proper divisors (270040244).

289272748 is a wasteful number, since it uses less digits than its factorization.

289272748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185001 (or 184999 counting only the distinct ones).

The product of its digits is 903168, while the sum is 49.

The square root of 289272748 is about 17008.0201081725. The cubic root of 289272748 is about 661.3568261153.

The spelling of 289272748 in words is "two hundred eighty-nine million, two hundred seventy-two thousand, seven hundred forty-eight".