289270352 has 20 divisors (see below), whose sum is σ = 640527456. Its totient is φ = 123972960.

The previous prime is 289270349. The next prime is 289270361. The reversal of 289270352 is 253072982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291274 + ... + 1291497.

Almost surely, 2^289270352 is an apocalyptic number.

It is an amenable number.

289270352 is an abundant number, since it is smaller than the sum of its proper divisors (351257104).

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

289270352 is a wasteful number, since it uses less digits than its factorization.

289270352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582786 (or 2582780 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 289270352 is about 17007.9496706687. The cubic root of 289270352 is about 661.3550001392.

The spelling of 289270352 in words is "two hundred eighty-nine million, two hundred seventy thousand, three hundred fifty-two".