289051902 has 96 divisors (see below), whose sum is σ = 713905920. Its totient is φ = 87246720.

The previous prime is 289051897. The next prime is 289051909. The reversal of 289051902 is 209150982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289051909) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211702 + ... + 213062.

It is an arithmetic number, because the mean of its divisors is an integer number (7436520).

Almost surely, 2^289051902 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 289051902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356952960).

289051902 is an abundant number, since it is smaller than the sum of its proper divisors (424854018).

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

289051902 is a wasteful number, since it uses less digits than its factorization.

289051902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420 (or 1408 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 289051902 is about 17001.5264608799. The cubic root of 289051902 is about 661.1884784274.

The spelling of 289051902 in words is "two hundred eighty-nine million, fifty-one thousand, nine hundred two".