881497 has 4 divisors (see below), whose sum is σ = 884916. Its totient is φ = 878080.

The previous prime is 881479. The next prime is 881509. The reversal of 881497 is 794188.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 793881 + 87616 = 891^2 + 296^2 .

It is a cyclic number.

It is not a de Polignac number, because 881497 - 2⁷ = 881369 is a prime.

It is a super-2 number, since 2×881497² = 1554073922018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (881407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1288 + ... + 1849.

It is an arithmetic number, because the mean of its divisors is an integer number (221229).

2⁸⁸¹⁴⁹⁷ is an apocalyptic number.

It is an amenable number.

881497 is a deficient number, since it is larger than the sum of its proper divisors (3419).

881497 is a wasteful number, since it uses less digits than its factorization.

881497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3418.

The product of its digits is 16128, while the sum is 37.

The square root of 881497 is about 938.8807165982. The cubic root of 881497 is about 95.8827054146.

It can be divided in two parts, 8814 and 97, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 881497 in words is "eight hundred eighty-one thousand, four hundred ninety-seven".