421413986 has 32 divisors (see below), whose sum is σ = 777485952. Its totient is φ = 167189760.

The previous prime is 421413973. The next prime is 421414001. The reversal of 421413986 is 689314124.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5 + ... + 29031.

It is an arithmetic number, because the mean of its divisors is an integer number (24296436).

Almost surely, 2^421413986 is an apocalyptic number.

421413986 is a deficient number, since it is larger than the sum of its proper divisors (356071966).

421413986 is a wasteful number, since it uses less digits than its factorization.

421413986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29114.

The product of its digits is 41472, while the sum is 38.

The square root of 421413986 is about 20528.3702714073. The cubic root of 421413986 is about 749.7267069452.

The spelling of 421413986 in words is "four hundred twenty-one million, four hundred thirteen thousand, nine hundred eighty-six".