880681 has 2 divisors, whose sum is σ = 880682. Its totient is φ = 880680.

The previous prime is 880673. The next prime is 880687. The reversal of 880681 is 186088.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 781456 + 99225 = 884^2 + 315^2 .

It is a cyclic number.

It is not a de Polignac number, because 880681 - 2³ = 880673 is a prime.

It is a super-2 number, since 2×880681² = 1551198047522, which contains 22 as substring.

880681 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (880687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440340 + 440341.

It is an arithmetic number, because the mean of its divisors is an integer number (440341).

2⁸⁸⁰⁶⁸¹ is an apocalyptic number.

It is an amenable number.

880681 is a deficient number, since it is larger than the sum of its proper divisors (1).

880681 is an equidigital number, since it uses as much as digits as its factorization.

880681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 880681 is about 938.4460559883. The cubic root of 880681 is about 95.8531101381.

The spelling of 880681 in words is "eight hundred eighty thousand, six hundred eighty-one".