808820412 has 24 divisors (see below), whose sum is σ = 1898553216. Its totient is φ = 267991728.

The previous prime is 808820399. The next prime is 808820429. The reversal of 808820412 is 214028808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199798 + ... + 203805.

It is an arithmetic number, because the mean of its divisors is an integer number (79106384).

Almost surely, 2^808820412 is an apocalyptic number.

It is an amenable number.

808820412 is an abundant number, since it is smaller than the sum of its proper divisors (1089732804).

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

808820412 is a wasteful number, since it uses less digits than its factorization.

808820412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403777 (or 403775 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 808820412 is about 28439.7681425148. The cubic root of 808820412 is about 931.7170314365.

The spelling of 808820412 in words is "eight hundred eight million, eight hundred twenty thousand, four hundred twelve".