828442812 has 12 divisors (see below), whose sum is σ = 1933033256. Its totient is φ = 276147600.

The previous prime is 828442789. The next prime is 828442829. The reversal of 828442812 is 218244828.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34518439 + ... + 34518462.

Almost surely, 2^828442812 is an apocalyptic number.

It is an amenable number.

828442812 is an abundant number, since it is smaller than the sum of its proper divisors (1104590444).

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

828442812 is a wasteful number, since it uses less digits than its factorization.

828442812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69036908 (or 69036906 counting only the distinct ones).

The product of its digits is 65536, while the sum is 39.

The square root of 828442812 is about 28782.6825018100. The cubic root of 828442812 is about 939.1915532728.

The spelling of 828442812 in words is "eight hundred twenty-eight million, four hundred forty-two thousand, eight hundred twelve".