289950252 has 24 divisors (see below), whose sum is σ = 684154800. Its totient is φ = 95563776.

The previous prime is 289950251. The next prime is 289950257. The reversal of 289950252 is 252059982.

It is a super-2 number, since 2×289950252² = 168142297269727008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (289950251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134677 + ... + 136812.

It is an arithmetic number, because the mean of its divisors is an integer number (28506450).

Almost surely, 2^289950252 is an apocalyptic number.

It is an amenable number.

289950252 is an abundant number, since it is smaller than the sum of its proper divisors (394204548).

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

289950252 is a wasteful number, since it uses less digits than its factorization.

289950252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271585 (or 271583 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 289950252 is about 17027.9256517052. The cubic root of 289950252 is about 661.8727435252.

The spelling of 289950252 in words is "two hundred eighty-nine million, nine hundred fifty thousand, two hundred fifty-two".