427334239 has 4 divisors (see below), whose sum is σ = 428062824. Its totient is φ = 426605656.

The previous prime is 427334113. The next prime is 427334261. The reversal of 427334239 is 932433724.

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 427334239 - 2¹⁹ = 426809951 is a prime.

It is a super-2 number, since 2×427334239² = 365229103643418242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 427334198 and 427334207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (427334269) 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 3 ways as a sum of consecutive naturals, for example, 363412 + ... + 364585.

It is an arithmetic number, because the mean of its divisors is an integer number (107015706).

Almost surely, 2^427334239 is an apocalyptic number.

427334239 is a deficient number, since it is larger than the sum of its proper divisors (728585).

427334239 is an equidigital number, since it uses as much as digits as its factorization.

427334239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728584.

The product of its digits is 108864, while the sum is 37.

The square root of 427334239 is about 20672.0642171990. The cubic root of 427334239 is about 753.2212495205.

The spelling of 427334239 in words is "four hundred twenty-seven million, three hundred thirty-four thousand, two hundred thirty-nine".