289492944 has 120 divisors (see below), whose sum is σ = 819090432. Its totient is φ = 88058880.

The previous prime is 289492939. The next prime is 289493011. The reversal of 289492944 is 449294982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1030084 + ... + 1030364.

Almost surely, 2^289492944 is an apocalyptic number.

289492944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289492944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409545216).

289492944 is an abundant number, since it is smaller than the sum of its proper divisors (529597488).

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

289492944 is a wasteful number, since it uses less digits than its factorization.

289492944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 426 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The square root of 289492944 is about 17014.4921757894. The cubic root of 289492944 is about 661.5245930334.

The spelling of 289492944 in words is "two hundred eighty-nine million, four hundred ninety-two thousand, nine hundred forty-four".