880669 has 4 divisors (see below), whose sum is σ = 927040. Its totient is φ = 834300.

The previous prime is 880667. The next prime is 880673. The reversal of 880669 is 966088.

880669 = 25² + 26² + ... + 138².

880669 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, 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 880669 - 2¹ = 880667 is a prime.

It is a super-2 number, since 2×880669² = 1551155775122, which contains 22 as substring.

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 (880661) 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, 23157 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (231760).

2⁸⁸⁰⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

880669 is a deficient number, since it is larger than the sum of its proper divisors (46371).

880669 is a wasteful number, since it uses less digits than its factorization.

880669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46370.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 880669 is about 938.4396624184. The cubic root of 880669 is about 95.8526747771.

The spelling of 880669 in words is "eight hundred eighty thousand, six hundred sixty-nine".