890949 has 4 divisors (see below), whose sum is σ = 1187936. Its totient is φ = 593964.

The previous prime is 890941. The next prime is 890957. The reversal of 890949 is 949098.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (890941) and next prime (890957).

It is not a de Polignac number, because 890949 - 2³ = 890941 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148489 + ... + 148494.

It is an arithmetic number, because the mean of its divisors is an integer number (296984).

2⁸⁹⁰⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

890949 is a deficient number, since it is larger than the sum of its proper divisors (296987).

890949 is a wasteful number, since it uses less digits than its factorization.

890949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296986.

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 890949 is about 943.9009481932. The cubic root of 890949 is about 96.2241939024.

The spelling of 890949 in words is "eight hundred ninety thousand, nine hundred forty-nine".