421403104 has 12 divisors (see below), whose sum is σ = 829637424. Its totient is φ = 210701536.

The previous prime is 421403093. The next prime is 421403137. The reversal of 421403104 is 401304124.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 6584392 + ... + 6584455.

It is an arithmetic number, because the mean of its divisors is an integer number (69136452).

Almost surely, 2^421403104 is an apocalyptic number.

It is an amenable number.

421403104 is a deficient number, since it is larger than the sum of its proper divisors (408234320).

421403104 is a wasteful number, since it uses less digits than its factorization.

421403104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13168857 (or 13168849 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 421403104 is about 20528.1052218659. The cubic root of 421403104 is about 749.7202535948.

Adding to 421403104 its reverse (401304124), we get a palindrome (822707228).

The spelling of 421403104 in words is "four hundred twenty-one million, four hundred three thousand, one hundred four".