427983337 has 4 divisors (see below), whose sum is σ = 434371216. Its totient is φ = 421595460.

The previous prime is 427983323. The next prime is 427983371. The reversal of 427983337 is 733389724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427983337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427983397) 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, 3193839 + ... + 3193972.

It is an arithmetic number, because the mean of its divisors is an integer number (108592804).

Almost surely, 2^427983337 is an apocalyptic number.

It is an amenable number.

427983337 is a deficient number, since it is larger than the sum of its proper divisors (6387879).

427983337 is an equidigital number, since it uses as much as digits as its factorization.

427983337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6387878.

The product of its digits is 762048, while the sum is 46.

The square root of 427983337 is about 20687.7581434045. The cubic root of 427983337 is about 753.6024242745.

It can be divided in two parts, 4279 and 83337, that added together give a square (87616 = 296²).

The spelling of 427983337 in words is "four hundred twenty-seven million, nine hundred eighty-three thousand, three hundred thirty-seven".