420326356 has 12 divisors (see below), whose sum is σ = 747630100. Its totient is φ = 206717760.

The previous prime is 420326351. The next prime is 420326363. The reversal of 420326356 is 653623024.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 209786256 + 210540100 = 14484^2 + 14510^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420326351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 861081 + ... + 861568.

Almost surely, 2^420326356 is an apocalyptic number.

It is an amenable number.

420326356 is a deficient number, since it is larger than the sum of its proper divisors (327303744).

420326356 is a wasteful number, since it uses less digits than its factorization.

420326356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1722714 (or 1722712 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 420326356 is about 20501.8622568780. The cubic root of 420326356 is about 749.0811598070.

The spelling of 420326356 in words is "four hundred twenty million, three hundred twenty-six thousand, three hundred fifty-six".