880691 has 4 divisors (see below), whose sum is σ = 1006512. Its totient is φ = 754872.

The previous prime is 880687. The next prime is 880699. The reversal of 880691 is 196088.

880691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 880691 - 2² = 880687 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880699) 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, 62900 + ... + 62913.

It is an arithmetic number, because the mean of its divisors is an integer number (251628).

2⁸⁸⁰⁶⁹¹ is an apocalyptic number.

880691 is a deficient number, since it is larger than the sum of its proper divisors (125821).

880691 is a wasteful number, since it uses less digits than its factorization.

880691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125820.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 880691 is about 938.4513839299. The cubic root of 880691 is about 95.8534729360.

The spelling of 880691 in words is "eight hundred eighty thousand, six hundred ninety-one".