421433286 has 16 divisors (see below), whose sum is σ = 845258544. Its totient is φ = 140079104.

The previous prime is 421433279. The next prime is 421433291. The reversal of 421433286 is 682334124.

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, 97371 + ... + 101606.

It is an arithmetic number, because the mean of its divisors is an integer number (52828659).

Almost surely, 2^421433286 is an apocalyptic number.

421433286 is an abundant number, since it is smaller than the sum of its proper divisors (423825258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421433286 is a wasteful number, since it uses less digits than its factorization.

421433286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199335.

The product of its digits is 27648, while the sum is 33.

The square root of 421433286 is about 20528.8403471799. The cubic root of 421433286 is about 749.7381521471.

The spelling of 421433286 in words is "four hundred twenty-one million, four hundred thirty-three thousand, two hundred eighty-six".