289772296 has 32 divisors (see below), whose sum is σ = 605335680. Its totient is φ = 128910400.

The previous prime is 289772291. The next prime is 289772299. The reversal of 289772296 is 692277982.

It is a super-2 number, since 2×289772296² = 167935967058223232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (289772291) 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, 30895 + ... + 39166.

It is an arithmetic number, because the mean of its divisors is an integer number (18916740).

Almost surely, 2^289772296 is an apocalyptic number.

It is an amenable number.

289772296 is an abundant number, since it is smaller than the sum of its proper divisors (315563384).

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

289772296 is a wasteful number, since it uses less digits than its factorization.

289772296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70125 (or 70121 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 289772296 is about 17022.6994334036. The cubic root of 289772296 is about 661.7373084176.

The spelling of 289772296 in words is "two hundred eighty-nine million, seven hundred seventy-two thousand, two hundred ninety-six".