421343006 has 16 divisors (see below), whose sum is σ = 732198624. Its totient is φ = 178101504.

The previous prime is 421342997. The next prime is 421343023. The reversal of 421343006 is 600343124.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205115 + ... + 207158.

It is an arithmetic number, because the mean of its divisors is an integer number (45762414).

Almost surely, 2^421343006 is an apocalyptic number.

421343006 is a deficient number, since it is larger than the sum of its proper divisors (310855618).

421343006 is a wasteful number, since it uses less digits than its factorization.

421343006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412355.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 421343006 is about 20526.6413716419. The cubic root of 421343006 is about 749.6846116885.

The spelling of 421343006 in words is "four hundred twenty-one million, three hundred forty-three thousand, six".