885557 has 4 divisors (see below), whose sum is σ = 888000. Its totient is φ = 883116.

The previous prime is 885553. The next prime is 885589. The reversal of 885557 is 755588.

885557 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 885557 - 2² = 885553 is a prime.

It is a super-2 number, since 2×885557² = 1568422400498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 885557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885551) 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, 557 + ... + 1442.

It is an arithmetic number, because the mean of its divisors is an integer number (222000).

2⁸⁸⁵⁵⁵⁷ is an apocalyptic number.

It is an amenable number.

885557 is a deficient number, since it is larger than the sum of its proper divisors (2443).

885557 is a wasteful number, since it uses less digits than its factorization.

885557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442.

The product of its digits is 56000, while the sum is 38.

The square root of 885557 is about 941.0403817053. The cubic root of 885557 is about 96.0296855533.

The spelling of 885557 in words is "eight hundred eighty-five thousand, five hundred fifty-seven".