890481 has 4 divisors (see below), whose sum is σ = 1187312. Its totient is φ = 593652.

The previous prime is 890467. The next prime is 890501. The reversal of 890481 is 184098.

It is a happy number.

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 not a de Polignac number, because 890481 - 2¹³ = 882289 is a prime.

It is a super-2 number, since 2×890481² = 1585912822722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 890481.

It is not an unprimeable number, because it can be changed into a prime (890441) 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, 148411 + ... + 148416.

It is an arithmetic number, because the mean of its divisors is an integer number (296828).

2⁸⁹⁰⁴⁸¹ is an apocalyptic number.

It is an amenable number.

890481 is a deficient number, since it is larger than the sum of its proper divisors (296831).

890481 is a wasteful number, since it uses less digits than its factorization.

890481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296830.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 890481 is about 943.6530082610. The cubic root of 890481 is about 96.2073426535.

The spelling of 890481 in words is "eight hundred ninety thousand, four hundred eighty-one".