890250289 has 8 divisors (see below), whose sum is σ = 906111360. Its totient is φ = 874504176.

The previous prime is 890250269. The next prime is 890250293. The reversal of 890250289 is 982052098.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 890250289 - 2⁹ = 890249777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890250209) 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, 13039 + ... + 44164.

It is an arithmetic number, because the mean of its divisors is an integer number (113263920).

Almost surely, 2^890250289 is an apocalyptic number.

It is an amenable number.

890250289 is a deficient number, since it is larger than the sum of its proper divisors (15861071).

890250289 is a wasteful number, since it uses less digits than its factorization.

890250289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57479.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 890250289 is about 29837.0623386419. The cubic root of 890250289 is about 961.9903328313.

The spelling of 890250289 in words is "eight hundred ninety million, two hundred fifty thousand, two hundred eighty-nine".