885149 has 4 divisors (see below), whose sum is σ = 906780. Its totient is φ = 863520.

The previous prime is 885133. The next prime is 885161. The reversal of 885149 is 941588.

885149 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 can be written as a sum of positive squares in 2 ways, for example, as 196249 + 688900 = 443^2 + 830^2 .

It is a cyclic number.

It is not a de Polignac number, because 885149 - 2⁴ = 885133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (885169) 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, 10754 + ... + 10835.

It is an arithmetic number, because the mean of its divisors is an integer number (226695).

2⁸⁸⁵¹⁴⁹ is an apocalyptic number.

It is an amenable number.

885149 is a deficient number, since it is larger than the sum of its proper divisors (21631).

885149 is a wasteful number, since it uses less digits than its factorization.

885149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21630.

The product of its digits is 11520, while the sum is 35.

The square root of 885149 is about 940.8235753849. The cubic root of 885149 is about 96.0149354656.

The spelling of 885149 in words is "eight hundred eighty-five thousand, one hundred forty-nine".