881633 has 8 divisors (see below), whose sum is σ = 911400. Its totient is φ = 852480.

The previous prime is 881611. The next prime is 881641. The reversal of 881633 is 336188.

It can be written as a sum of positive squares in 4 ways, for example, as 20449 + 861184 = 143^2 + 928^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 881596 and 881605.

It is not an unprimeable number, because it can be changed into a prime (881663) 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, 5843 + ... + 5991.

It is an arithmetic number, because the mean of its divisors is an integer number (113925).

2⁸⁸¹⁶³³ is an apocalyptic number.

It is an amenable number.

881633 is a deficient number, since it is larger than the sum of its proper divisors (29767).

881633 is a wasteful number, since it uses less digits than its factorization.

881633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307.

The product of its digits is 3456, while the sum is 29.

The square root of 881633 is about 938.9531404708. The cubic root of 881633 is about 95.8876361848.

The spelling of 881633 in words is "eight hundred eighty-one thousand, six hundred thirty-three".