289850460 has 24 divisors (see below), whose sum is σ = 811581456. Its totient is φ = 77293440.

The previous prime is 289850423. The next prime is 289850461. The reversal of 289850460 is 64058982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289850461) 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, 2415361 + ... + 2415480.

It is an arithmetic number, because the mean of its divisors is an integer number (33815894).

Almost surely, 2^289850460 is an apocalyptic number.

289850460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289850460 is an abundant number, since it is smaller than the sum of its proper divisors (521730996).

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

289850460 is a wasteful number, since it uses less digits than its factorization.

289850460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830853 (or 4830851 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 289850460 is about 17024.9951541843. The cubic root of 289850460 is about 661.7968027006.

The spelling of 289850460 in words is "two hundred eighty-nine million, eight hundred fifty thousand, four hundred sixty".