289774492 has 18 divisors (see below), whose sum is σ = 579729192. Its totient is φ = 124150464.

The previous prime is 289774483. The next prime is 289774517. The reversal of 289774492 is 294477982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 88468 + ... + 91684.

Almost surely, 2^289774492 is an apocalyptic number.

It is an amenable number.

289774492 is an abundant number, since it is smaller than the sum of its proper divisors (289954700).

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

289774492 is an frugal number, since it uses more digits than its factorization.

289774492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6445 (or 3226 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The square root of 289774492 is about 17022.7639353896. The cubic root of 289774492 is about 661.7389800422.

The spelling of 289774492 in words is "two hundred eighty-nine million, seven hundred seventy-four thousand, four hundred ninety-two".