383404020 has 48 divisors (see below), whose sum is σ = 1120210560. Its totient is φ = 97795456.

The previous prime is 383404003. The next prime is 383404031. The reversal of 383404020 is 20404383.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137535 + ... + 140294.

It is an arithmetic number, because the mean of its divisors is an integer number (23337720).

Almost surely, 2^383404020 is an apocalyptic number.

383404020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383404020 is an abundant number, since it is smaller than the sum of its proper divisors (736806540).

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

383404020 is a wasteful number, since it uses less digits than its factorization.

383404020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277864 (or 277862 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 383404020 is about 19580.7052988395. The cubic root of 383404020 is about 726.4720120353.

The spelling of 383404020 in words is "three hundred eighty-three million, four hundred four thousand, twenty".