420937339 has 4 divisors (see below), whose sum is σ = 421017480. Its totient is φ = 420857200.

The previous prime is 420937331. The next prime is 420937351. The reversal of 420937339 is 933739024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420937339 - 2³ = 420937331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420937331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31594 + ... + 42895.

It is an arithmetic number, because the mean of its divisors is an integer number (105254370).

Almost surely, 2^420937339 is an apocalyptic number.

420937339 is a deficient number, since it is larger than the sum of its proper divisors (80141).

420937339 is an equidigital number, since it uses as much as digits as its factorization.

420937339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80140.

The product of its (nonzero) digits is 122472, while the sum is 40.

The square root of 420937339 is about 20516.7575167228. The cubic root of 420937339 is about 749.4439368640.

The spelling of 420937339 in words is "four hundred twenty million, nine hundred thirty-seven thousand, three hundred thirty-nine".