969881 has 8 divisors (see below), whose sum is σ = 1087104. Its totient is φ = 857520.

The previous prime is 969877. The next prime is 969889. The reversal of 969881 is 188969.

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 969881 - 2² = 969877 is a prime.

It is a super-2 number, since 2×969881² = 1881338308322, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (969889) 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 7 ways as a sum of consecutive naturals, for example, 785 + ... + 1598.

It is an arithmetic number, because the mean of its divisors is an integer number (135888).

2⁹⁶⁹⁸⁸¹ is an apocalyptic number.

It is an amenable number.

969881 is a deficient number, since it is larger than the sum of its proper divisors (117223).

969881 is a wasteful number, since it uses less digits than its factorization.

969881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431.

The product of its digits is 31104, while the sum is 41.

The square root of 969881 is about 984.8253652298. The cubic root of 969881 is about 98.9857817216.

It can be divided in two parts, 9698 and 81, that added together give a palindrome (9779).

The spelling of 969881 in words is "nine hundred sixty-nine thousand, eight hundred eighty-one".