900881 has 8 divisors (see below), whose sum is σ = 962280. Its totient is φ = 840448.

The previous prime is 900869. The next prime is 900917. The reversal of 900881 is 188009.

It can be written as a sum of positive squares in 4 ways, for example, as 286225 + 614656 = 535^2 + 784^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 900881 - 2⁶ = 900817 is a prime.

It is a super-2 number, since 2×900881² = 1623173152322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 900881.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 900881.

It is not an unprimeable number, because it can be changed into a prime (900821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3215 + ... + 3483.

It is an arithmetic number, because the mean of its divisors is an integer number (120285).

2⁹⁰⁰⁸⁸¹ is an apocalyptic number.

It is an amenable number.

900881 is a deficient number, since it is larger than the sum of its proper divisors (61399).

900881 is a wasteful number, since it uses less digits than its factorization.

900881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 900881 is about 949.1475122445. The cubic root of 900881 is about 96.5804317477.

The spelling of 900881 in words is "nine hundred thousand, eight hundred eighty-one".