408989804 has 24 divisors (see below), whose sum is σ = 731587248. Its totient is φ = 200014400.

The previous prime is 408989783. The next prime is 408989807.

It is a happy number.

408989804 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (408989807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27434 + ... + 39630.

It is an arithmetic number, because the mean of its divisors is an integer number (30482802).

Almost surely, 2^408989804 is an apocalyptic number.

It is an amenable number.

408989804 is a deficient number, since it is larger than the sum of its proper divisors (322597444).

408989804 is a wasteful number, since it uses less digits than its factorization.

408989804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12385 (or 12383 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 408989804 is about 20223.4963347093. The cubic root of 408989804 is about 742.2852437746.

The spelling of 408989804 in words is "four hundred eight million, nine hundred eighty-nine thousand, eight hundred four".