803396920 has 64 divisors (see below), whose sum is σ = 1834721280. Its totient is φ = 316584576.

The previous prime is 803396903. The next prime is 803396921. The reversal of 803396920 is 29693308.

It is a super-2 number, since 2×803396920² = 1290893222130972800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803396921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847887 + ... + 848833.

It is an arithmetic number, because the mean of its divisors is an integer number (28667520).

Almost surely, 2^803396920 is an apocalyptic number.

It is an amenable number.

803396920 is an abundant number, since it is smaller than the sum of its proper divisors (1031324360).

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

803396920 is a wasteful number, since it uses less digits than its factorization.

803396920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252 (or 1248 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 40.

The square root of 803396920 is about 28344.2572666846. The cubic root of 803396920 is about 929.6298368840.

The spelling of 803396920 in words is "eight hundred three million, three hundred ninety-six thousand, nine hundred twenty".