289910490 has 16 divisors (see below), whose sum is σ = 695785248. Its totient is φ = 77309456.

The previous prime is 289910479. The next prime is 289910513. The reversal of 289910490 is 94019982.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4831812 + ... + 4831871.

It is an arithmetic number, because the mean of its divisors is an integer number (43486578).

Almost surely, 2^289910490 is an apocalyptic number.

289910490 is an abundant number, since it is smaller than the sum of its proper divisors (405874758).

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

289910490 is a wasteful number, since it uses less digits than its factorization.

289910490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9663693.

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 289910490 is about 17026.7580590082. The cubic root of 289910490 is about 661.8424870853.

The spelling of 289910490 in words is "two hundred eighty-nine million, nine hundred ten thousand, four hundred ninety".