421213046 has 16 divisors (see below), whose sum is σ = 669842784. Its totient is φ = 197963904.

The previous prime is 421213031. The next prime is 421213073. The reversal of 421213046 is 640312124.

It is a Curzon 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, 20456 + ... + 35508.

It is an arithmetic number, because the mean of its divisors is an integer number (41865174).

Almost surely, 2^421213046 is an apocalyptic number.

421213046 is a deficient number, since it is larger than the sum of its proper divisors (248629738).

421213046 is a wasteful number, since it uses less digits than its factorization.

421213046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15895.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 421213046 is about 20523.4754854045. The cubic root of 421213046 is about 749.6075256173.

The spelling of 421213046 in words is "four hundred twenty-one million, two hundred thirteen thousand, forty-six".