421351004 has 12 divisors (see below), whose sum is σ = 742248528. Its totient is φ = 209280000.

The previous prime is 421350989. The next prime is 421351013. The reversal of 421351004 is 400153124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348197 + ... + 349404.

It is an arithmetic number, because the mean of its divisors is an integer number (61854044).

Almost surely, 2^421351004 is an apocalyptic number.

It is an amenable number.

421351004 is a deficient number, since it is larger than the sum of its proper divisors (320897524).

421351004 is a wasteful number, since it uses less digits than its factorization.

421351004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697756 (or 697754 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 421351004 is about 20526.8361907041. The cubic root of 421351004 is about 749.6893552027.

The spelling of 421351004 in words is "four hundred twenty-one million, three hundred fifty-one thousand, four".