828612 has 18 divisors (see below), whose sum is σ = 2094638. Its totient is φ = 276192.

The previous prime is 828601. The next prime is 828637. The reversal of 828612 is 216828.

It can be written as a sum of positive squares in only one way, i.e., 715716 + 112896 = 846^2 + 336^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a plaindrome in base 15.

It is an unprimeable number.

828612 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11473 + ... + 11544.

2⁸²⁸⁶¹² is an apocalyptic number.

It is an amenable number.

828612 is an abundant number, since it is smaller than the sum of its proper divisors (1266026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

828612 is a wasteful number, since it uses less digits than its factorization.

828612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23027 (or 23022 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 828612 is about 910.2812752111. The cubic root of 828612 is about 93.9255484109.

The spelling of 828612 in words is "eight hundred twenty-eight thousand, six hundred twelve".