890942 has 8 divisors (see below), whose sum is σ = 1439256. Its totient is φ = 411192.

The previous prime is 890941. The next prime is 890957. The reversal of 890942 is 249098.

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

It is a super-3 number, since 3×890942³ = 2121629534093330664, which contains 333 as substring.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 890899 and 890908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (890941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17108 + ... + 17159.

It is an arithmetic number, because the mean of its divisors is an integer number (179907).

2⁸⁹⁰⁹⁴² is an apocalyptic number.

890942 is a deficient number, since it is larger than the sum of its proper divisors (548314).

890942 is a wasteful number, since it uses less digits than its factorization.

890942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34282.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 890942 is about 943.8972401697. The cubic root of 890942 is about 96.2239418973.

The spelling of 890942 in words is "eight hundred ninety thousand, nine hundred forty-two".