289041400 has 24 divisors (see below), whose sum is σ = 672021720. Its totient is φ = 115616480.

The previous prime is 289041371. The next prime is 289041439. The reversal of 289041400 is 4140982.

289041400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 722404 + ... + 722803.

It is an arithmetic number, because the mean of its divisors is an integer number (28000905).

Almost surely, 2^289041400 is an apocalyptic number.

289041400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289041400 is an abundant number, since it is smaller than the sum of its proper divisors (382980320).

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

289041400 is a wasteful number, since it uses less digits than its factorization.

289041400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445223 (or 1445214 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 289041400 is about 17001.2176034542. The cubic root of 289041400 is about 661.1804707704.

The spelling of 289041400 in words is "two hundred eighty-nine million, forty-one thousand, four hundred".