289068480 has 112 divisors (see below), whose sum is σ = 1019799840. Its totient is φ = 77082624.

The previous prime is 289068473. The next prime is 289068487. The reversal of 289068480 is 84860982.

It is a happy number.

289068480 is a `hidden beast` number, since 28 + 90 + 68 + 480 = 666.

It is an interprime number because it is at equal distance from previous prime (289068473) and next prime (289068487).

It is a super-2 number, since 2×289068480² = 167121172259020800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289068487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8089 + ... + 25368.

Almost surely, 2^289068480 is an apocalyptic number.

289068480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289068480 is an abundant number, since it is smaller than the sum of its proper divisors (730731360).

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

289068480 is a wasteful number, since it uses less digits than its factorization.

289068480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33483 (or 33467 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 289068480 is about 17002.0139983474. The cubic root of 289068480 is about 661.2011185715.

The spelling of 289068480 in words is "two hundred eighty-nine million, sixty-eight thousand, four hundred eighty".