420883738 has 12 divisors (see below), whose sum is σ = 693936810. Its totient is φ = 191310680.

The previous prime is 420883711. The next prime is 420883777. The reversal of 420883738 is 837388024.

It can be written as a sum of positive squares in only one way, i.e., 417262329 + 3621409 = 20427^2 + 1903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 420883694 and 420883703.

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 5 ways as a sum of consecutive naturals, for example, 869353 + ... + 869836.

Almost surely, 2^420883738 is an apocalyptic number.

420883738 is a deficient number, since it is larger than the sum of its proper divisors (273053072).

420883738 is a wasteful number, since it uses less digits than its factorization.

420883738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1739213 (or 1739202 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 420883738 is about 20515.4512014725. The cubic root of 420883738 is about 749.4121248056.

The spelling of 420883738 in words is "four hundred twenty million, eight hundred eighty-three thousand, seven hundred thirty-eight".