427331 has 4 divisors (see below), whose sum is σ = 431664. Its totient is φ = 423000.

The previous prime is 427327. The next prime is 427333. The reversal of 427331 is 133724.

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 427331 - 2² = 427327 is a prime.

It is a super-2 number, since 2×427331² = 365223567122, which contains 22 as substring.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2015 + ... + 2216.

It is an arithmetic number, because the mean of its divisors is an integer number (107916).

2⁴²⁷³³¹ is an apocalyptic number.

427331 is a deficient number, since it is larger than the sum of its proper divisors (4333).

427331 is a wasteful number, since it uses less digits than its factorization.

427331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4332.

The product of its digits is 504, while the sum is 20.

The square root of 427331 is about 653.7055912259. The cubic root of 427331 is about 75.3219346490.

The spelling of 427331 in words is "four hundred twenty-seven thousand, three hundred thirty-one".