289007924 has 24 divisors (see below), whose sum is σ = 509584320. Its totient is φ = 143417664.

The previous prime is 289007921. The next prime is 289007933. The reversal of 289007924 is 429700982.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289007921) 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, 449147 + ... + 449789.

It is an arithmetic number, because the mean of its divisors is an integer number (21232680).

Almost surely, 2^289007924 is an apocalyptic number.

It is an amenable number.

289007924 is a deficient number, since it is larger than the sum of its proper divisors (220576396).

289007924 is a wasteful number, since it uses less digits than its factorization.

289007924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319 (or 1317 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 289007924 is about 17000.2330572260. The cubic root of 289007924 is about 661.1549444018.

The spelling of 289007924 in words is "two hundred eighty-nine million, seven thousand, nine hundred twenty-four".