289089950 has 24 divisors (see below), whose sum is σ = 549152352. Its totient is φ = 113174720.

The previous prime is 289089943. The next prime is 289089961. The reversal of 289089950 is 59980982.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59159 + ... + 63858.

It is an arithmetic number, because the mean of its divisors is an integer number (22881348).

Almost surely, 2^289089950 is an apocalyptic number.

289089950 is a deficient number, since it is larger than the sum of its proper divisors (260062402).

289089950 is a wasteful number, since it uses less digits than its factorization.

289089950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123076 (or 123071 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 50.

The square root of 289089950 is about 17002.6453824104. The cubic root of 289089950 is about 661.2174879759.

The spelling of 289089950 in words is "two hundred eighty-nine million, eighty-nine thousand, nine hundred fifty".