880621 has 4 divisors (see below), whose sum is σ = 1006432. Its totient is φ = 754812.

The previous prime is 880603. The next prime is 880661. The reversal of 880621 is 126088.

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 880621 - 2⁵ = 880589 is a prime.

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, 62895 + ... + 62908.

It is an arithmetic number, because the mean of its divisors is an integer number (251608).

2⁸⁸⁰⁶²¹ is an apocalyptic number.

It is an amenable number.

880621 is a deficient number, since it is larger than the sum of its proper divisors (125811).

880621 is a wasteful number, since it uses less digits than its factorization.

880621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125810.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 880621 is about 938.4140877033. The cubic root of 880621 is about 95.8509332935.

The spelling of 880621 in words is "eight hundred eighty thousand, six hundred twenty-one".