820484104 has 16 divisors (see below), whose sum is σ = 1678263120. Its totient is φ = 372947280.

The previous prime is 820484101. The next prime is 820484113. The reversal of 820484104 is 401484028.

It is a super-3 number, since 3×820484104³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (820484101) 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, 4661754 + ... + 4661929.

It is an arithmetic number, because the mean of its divisors is an integer number (104891445).

Almost surely, 2^820484104 is an apocalyptic number.

It is an amenable number.

820484104 is an abundant number, since it is smaller than the sum of its proper divisors (857779016).

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

820484104 is a wasteful number, since it uses less digits than its factorization.

820484104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9323700 (or 9323696 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 820484104 is about 28644.0937018437. The cubic root of 820484104 is about 936.1743198108.

The spelling of 820484104 in words is "eight hundred twenty million, four hundred eighty-four thousand, one hundred four".