817828004 has 24 divisors (see below), whose sum is σ = 1636295808. Its totient is φ = 350360640.

The previous prime is 817828003. The next prime is 817828013. The reversal of 817828004 is 400828718.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (817828003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104384 + ... + 111944.

It is an arithmetic number, because the mean of its divisors is an integer number (68178992).

Almost surely, 2^817828004 is an apocalyptic number.

It is an amenable number.

817828004 is an abundant number, since it is smaller than the sum of its proper divisors (818467804).

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

817828004 is a wasteful number, since it uses less digits than its factorization.

817828004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11435 (or 11433 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 38.

The square root of 817828004 is about 28597.6922845183. The cubic root of 817828004 is about 935.1630222766.

The spelling of 817828004 in words is "eight hundred seventeen million, eight hundred twenty-eight thousand, four".