890477 has 12 divisors (see below), whose sum is σ = 1097820. Its totient is φ = 717696.

The previous prime is 890467. The next prime is 890501. The reversal of 890477 is 774098.

It can be written as a sum of positive squares in 2 ways, for example, as 561001 + 329476 = 749^2 + 574^2 .

It is not a de Polignac number, because 890477 - 2⁸ = 890221 is a prime.

It is a Duffinian number.

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 890477.

It is not an unprimeable number, because it can be changed into a prime (890437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 299 + ... + 1367.

It is an arithmetic number, because the mean of its divisors is an integer number (91485).

2⁸⁹⁰⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

890477 is a deficient number, since it is larger than the sum of its proper divisors (207343).

890477 is a wasteful number, since it uses less digits than its factorization.

890477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1093 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 35.

The square root of 890477 is about 943.6508888355. The cubic root of 890477 is about 96.2071986003.

The spelling of 890477 in words is "eight hundred ninety thousand, four hundred seventy-seven".