418021804 has 12 divisors (see below), whose sum is σ = 738012744. Its totient is φ = 207161024.

The previous prime is 418021787. The next prime is 418021811. The reversal of 418021804 is 408120814.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 461962 + ... + 462865.

It is an arithmetic number, because the mean of its divisors is an integer number (61501062).

Almost surely, 2^418021804 is an apocalyptic number.

It is an amenable number.

418021804 is a deficient number, since it is larger than the sum of its proper divisors (319990940).

418021804 is a wasteful number, since it uses less digits than its factorization.

418021804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924944 (or 924942 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 28.

The square root of 418021804 is about 20445.5815275575. The cubic root of 418021804 is about 747.7096373644.

The spelling of 418021804 in words is "four hundred eighteen million, twenty-one thousand, eight hundred four".