289625088 has 88 divisors (see below), whose sum is σ = 798821280. Its totient is φ = 93184000.

The previous prime is 289625053. The next prime is 289625093. The reversal of 289625088 is 880526982.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87463 + ... + 90713.

Almost surely, 2^289625088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289625088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (399410640).

289625088 is an abundant number, since it is smaller than the sum of its proper divisors (509196192).

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

289625088 is a wasteful number, since it uses less digits than its factorization.

289625088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3303 (or 3285 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 289625088 is about 17018.3750105584. The cubic root of 289625088 is about 661.6252324561.

The spelling of 289625088 in words is "two hundred eighty-nine million, six hundred twenty-five thousand, eighty-eight".