420984406 has 16 divisors (see below), whose sum is σ = 677257200. Its totient is φ = 195650208.

The previous prime is 420984397. The next prime is 420984427. The reversal of 420984406 is 604489024.

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, 102501 + ... + 106528.

It is an arithmetic number, because the mean of its divisors is an integer number (42328575).

Almost surely, 2^420984406 is an apocalyptic number.

420984406 is a deficient number, since it is larger than the sum of its proper divisors (256272794).

420984406 is a wasteful number, since it uses less digits than its factorization.

420984406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209103.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 420984406 is about 20517.9045226358. The cubic root of 420984406 is about 749.4718687831.

The spelling of 420984406 in words is "four hundred twenty million, nine hundred eighty-four thousand, four hundred six".