427393 has 4 divisors (see below), whose sum is σ = 433840. Its totient is φ = 420948.

The previous prime is 427381. The next prime is 427403. The reversal of 427393 is 393724.

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 not a de Polignac number, because 427393 - 2¹³ = 419201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3123 + ... + 3256.

It is an arithmetic number, because the mean of its divisors is an integer number (108460).

2⁴²⁷³⁹³ is an apocalyptic number.

It is an amenable number.

427393 is a deficient number, since it is larger than the sum of its proper divisors (6447).

427393 is an equidigital number, since it uses as much as digits as its factorization.

427393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6446.

The product of its digits is 4536, while the sum is 28.

The square root of 427393 is about 653.7530114653. The cubic root of 427393 is about 75.3255772072.

It can be divided in two parts, 427 and 393, that added together give a triangular number (820 = T₄₀).

The spelling of 427393 in words is "four hundred twenty-seven thousand, three hundred ninety-three".