890366 has 4 divisors (see below), whose sum is σ = 1335552. Its totient is φ = 445182.

The previous prime is 890333. The next prime is 890371. The reversal of 890366 is 663098.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 663098 = 2 ⋅331549.

It is a super-2 number, since 2×890366² = 1585503227912, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 890366.

It is an unprimeable number.

890366 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222590 + ... + 222593.

It is an arithmetic number, because the mean of its divisors is an integer number (333888).

2⁸⁹⁰³⁶⁶ is an apocalyptic number.

890366 is a deficient number, since it is larger than the sum of its proper divisors (445186).

890366 is a wasteful number, since it uses less digits than its factorization.

890366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445185.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 890366 is about 943.5920728790. The cubic root of 890366 is about 96.2032009516.

The spelling of 890366 in words is "eight hundred ninety thousand, three hundred sixty-six".