263470 has 8 divisors (see below), whose sum is σ = 474264. Its totient is φ = 105384.

The previous prime is 263443. The next prime is 263489. The reversal of 263470 is 74362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 2⁹ + 6² + 4⁹ + 3⁶ + 7² + 0 .

It is a congruent number.

It is an unprimeable number.

263470 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13164 + ... + 13183.

It is an arithmetic number, because the mean of its divisors is an integer number (59283).

2²⁶³⁴⁷⁰ is an apocalyptic number.

263470 is a deficient number, since it is larger than the sum of its proper divisors (210794).

263470 is a wasteful number, since it uses less digits than its factorization.

263470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26354.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 263470 is about 513.2932884814. The cubic root of 263470 is about 64.1077287189.

It can be divided in two parts, 2634 and 70, that added together give a square (2704 = 52²).

The spelling of 263470 in words is "two hundred sixty-three thousand, four hundred seventy".