427264 has 18 divisors (see below), whose sum is σ = 853370. Its totient is φ = 213504.

The previous prime is 427249. The next prime is 427279. The reversal of 427264 is 462724.

427264 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (427249) and next prime (427279).

It can be written as a sum of positive squares in only one way, i.e., 369664 + 57600 = 608^2 + 240^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 579 + ... + 1090.

2⁴²⁷²⁶⁴ is an apocalyptic number.

It is an amenable number.

427264 is a deficient number, since it is larger than the sum of its proper divisors (426106).

427264 is an equidigital number, since it uses as much as digits as its factorization.

427264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1671 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 427264 is about 653.6543429061. The cubic root of 427264 is about 75.3179979400.

Adding to 427264 its reverse (462724), we get a palindrome (889988).

The spelling of 427264 in words is "four hundred twenty-seven thousand, two hundred sixty-four".