263464 has 8 divisors (see below), whose sum is σ = 494010. Its totient is φ = 131728.

The previous prime is 263443. The next prime is 263489. The reversal of 263464 is 464362.

It can be written as a sum of positive squares in only one way, i.e., 260100 + 3364 = 510^2 + 58^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

263464 is an untouchable number, because it is not equal to the sum of proper divisors of any 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, 16459 + ... + 16474.

2²⁶³⁴⁶⁴ is an apocalyptic number.

It is an amenable number.

263464 is a deficient number, since it is larger than the sum of its proper divisors (230546).

263464 is a wasteful number, since it uses less digits than its factorization.

263464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32939 (or 32935 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 263464 is about 513.2874438363. The cubic root of 263464 is about 64.1072420737.

It can be divided in two parts, 263 and 464, that added together give a palindrome (727).

The spelling of 263464 in words is "two hundred sixty-three thousand, four hundred sixty-four".