420983283 has 32 divisors (see below), whose sum is σ = 674758656. Its totient is φ = 228257568.

The previous prime is 420983263. The next prime is 420983309. The reversal of 420983283 is 382389024.

It is not a de Polignac number, because 420983283 - 2⁸ = 420983027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420983243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57910 + ... + 64772.

It is an arithmetic number, because the mean of its divisors is an integer number (21086208).

Almost surely, 2^420983283 is an apocalyptic number.

420983283 is a deficient number, since it is larger than the sum of its proper divisors (253775373).

420983283 is a wasteful number, since it uses less digits than its factorization.

420983283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7023.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 420983283 is about 20517.8771562752. The cubic root of 420983283 is about 749.4712023628.

The spelling of 420983283 in words is "four hundred twenty million, nine hundred eighty-three thousand, two hundred eighty-three".