890361 has 6 divisors (see below), whose sum is σ = 1286090. Its totient is φ = 593568.

The previous prime is 890333. The next prime is 890371. The reversal of 890361 is 163098.

It can be written as a sum of positive squares in only one way, i.e., 608400 + 281961 = 780^2 + 531^2 .

It is not a de Polignac number, because 890361 - 2¹⁰ = 889337 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (890371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49456 + ... + 49473.

2⁸⁹⁰³⁶¹ is an apocalyptic number.

It is an amenable number.

890361 is a deficient number, since it is larger than the sum of its proper divisors (395729).

890361 is a wasteful number, since it uses less digits than its factorization.

890361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98935 (or 98932 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 890361 is about 943.5894234253. The cubic root of 890361 is about 96.2030208695.

The spelling of 890361 in words is "eight hundred ninety thousand, three hundred sixty-one".