420246682 has 8 divisors (see below), whose sum is σ = 631912500. Its totient is φ = 209609184.

The previous prime is 420246643. The next prime is 420246707. The reversal of 420246682 is 286642024.

It can be written as a sum of positive squares in 2 ways, for example, as 419799121 + 447561 = 20489^2 + 669^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256057 + ... + 257692.

Almost surely, 2^420246682 is an apocalyptic number.

420246682 is a deficient number, since it is larger than the sum of its proper divisors (211665818).

420246682 is a wasteful number, since it uses less digits than its factorization.

420246682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514160.

The product of its (nonzero) digits is 36864, while the sum is 34.

The square root of 420246682 is about 20499.9190730110. The cubic root of 420246682 is about 749.0338266948.

The spelling of 420246682 in words is "four hundred twenty million, two hundred forty-six thousand, six hundred eighty-two".