890242 has 8 divisors (see below), whose sum is σ = 1381500. Its totient is φ = 429744.

The previous prime is 890237. The next prime is 890287. The reversal of 890242 is 242098.

It can be written as a sum of positive squares in 2 ways, for example, as 885481 + 4761 = 941^2 + 69^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7617 + ... + 7732.

2⁸⁹⁰²⁴² is an apocalyptic number.

890242 is a deficient number, since it is larger than the sum of its proper divisors (491258).

890242 is a wasteful number, since it uses less digits than its factorization.

890242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15380.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 890242 is about 943.5263642315. The cubic root of 890242 is about 96.1987347168.

The spelling of 890242 in words is "eight hundred ninety thousand, two hundred forty-two".