420858794 has 16 divisors (see below), whose sum is σ = 653098248. Its totient is φ = 203242752.

The previous prime is 420858791. The next prime is 420858863. The reversal of 420858794 is 497858024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 420783169 + 75625 = 20513^2 + 275^2 .

It is not an unprimeable number, because it can be changed into a prime (420858791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10619 + ... + 30894.

Almost surely, 2^420858794 is an apocalyptic number.

420858794 is a deficient number, since it is larger than the sum of its proper divisors (232239454).

420858794 is a wasteful number, since it uses less digits than its factorization.

420858794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41689.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 420858794 is about 20514.8432604298. The cubic root of 420858794 is about 749.3973196835.

The spelling of 420858794 in words is "four hundred twenty million, eight hundred fifty-eight thousand, seven hundred ninety-four".