881957 has 4 divisors (see below), whose sum is σ = 884256. Its totient is φ = 879660.

The previous prime is 881953. The next prime is 881963. The reversal of 881957 is 759188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 881957 - 2² = 881953 is a prime.

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 881957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881953) 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 3 ways as a sum of consecutive naturals, for example, 419 + ... + 1392.

It is an arithmetic number, because the mean of its divisors is an integer number (221064).

2⁸⁸¹⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

881957 is a deficient number, since it is larger than the sum of its proper divisors (2299).

881957 is a wasteful number, since it uses less digits than its factorization.

881957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298.

The product of its digits is 20160, while the sum is 38.

The square root of 881957 is about 939.1256571940. The cubic root of 881957 is about 95.8993809770.

The spelling of 881957 in words is "eight hundred eighty-one thousand, nine hundred fifty-seven".