289452926 has 12 divisors (see below), whose sum is σ = 496314168. Its totient is φ = 124023972.

The previous prime is 289452923. The next prime is 289452937. The reversal of 289452926 is 629254982.

It is a super-2 number, since 2×289452926² = 167565992739922952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289452923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61385 + ... + 65931.

It is an arithmetic number, because the mean of its divisors is an integer number (41359514).

Almost surely, 2^289452926 is an apocalyptic number.

289452926 is a deficient number, since it is larger than the sum of its proper divisors (206861242).

289452926 is an frugal number, since it uses more digits than its factorization.

289452926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9103 (or 4556 counting only the distinct ones).

The product of its digits is 622080, while the sum is 47.

The square root of 289452926 is about 17013.3161376611. The cubic root of 289452926 is about 661.4941097216.

The spelling of 289452926 in words is "two hundred eighty-nine million, four hundred fifty-two thousand, nine hundred twenty-six".