263460 has 24 divisors (see below), whose sum is σ = 737856. Its totient is φ = 70240.

The previous prime is 263443. The next prime is 263489. The reversal of 263460 is 64362.

It is a super-2 number, since 2×263460² = 138822343200, which contains 22 as substring.

It is an unprimeable number.

263460 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 in 7 ways as a sum of consecutive naturals, for example, 2136 + ... + 2255.

It is an arithmetic number, because the mean of its divisors is an integer number (30744).

2²⁶³⁴⁶⁰ is an apocalyptic number.

263460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

263460 is an abundant number, since it is smaller than the sum of its proper divisors (474396).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

263460 is a wasteful number, since it uses less digits than its factorization.

263460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403 (or 4401 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 263460 is about 513.2835473693. The cubic root of 263460 is about 64.1069176394.

It can be divided in two parts, 26 and 3460, that added together give a triangular number (3486 = T₈₃).

The spelling of 263460 in words is "two hundred sixty-three thousand, four hundred sixty".