881215 has 4 divisors (see below), whose sum is σ = 1057464. Its totient is φ = 704968.

The previous prime is 881207. The next prime is 881219. The reversal of 881215 is 512188.

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

It is a cyclic number.

It is not a de Polignac number, because 881215 - 2³ = 881207 is a prime.

It is a Duffinian number.

881215 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 881215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88117 + ... + 88126.

It is an arithmetic number, because the mean of its divisors is an integer number (264366).

2⁸⁸¹²¹⁵ is an apocalyptic number.

881215 is a deficient number, since it is larger than the sum of its proper divisors (176249).

881215 is a wasteful number, since it uses less digits than its factorization.

881215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176248.

The product of its digits is 640, while the sum is 25.

The square root of 881215 is about 938.7305257634. The cubic root of 881215 is about 95.8724797013.

The spelling of 881215 in words is "eight hundred eighty-one thousand, two hundred fifteen".