420364306 has 8 divisors (see below), whose sum is σ = 642443724. Its totient is φ = 206216400.

The previous prime is 420364297. The next prime is 420364327. The reversal of 420364306 is 603463024.

It can be written as a sum of positive squares in 2 ways, for example, as 412293025 + 8071281 = 20305^2 + 2841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×420364306² = 353412299517723272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982745 + ... + 1982956.

Almost surely, 2^420364306 is an apocalyptic number.

420364306 is a deficient number, since it is larger than the sum of its proper divisors (222079418).

420364306 is a wasteful number, since it uses less digits than its factorization.

420364306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965756.

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 420364306 is about 20502.7877616679. The cubic root of 420364306 is about 749.1037032221.

The spelling of 420364306 in words is "four hundred twenty million, three hundred sixty-four thousand, three hundred six".