263430 has 24 divisors (see below), whose sum is σ = 685152. Its totient is φ = 70224.

The previous prime is 263429. The next prime is 263437. The reversal of 263430 is 34362.

263430 is a `hidden beast` number, since 2 + 634 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a d-powerful number, because it can be written as 2⁹ + 6² + 4⁹ + 3² + 3⁶ + 0 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263437) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1374 + ... + 1553.

It is an arithmetic number, because the mean of its divisors is an integer number (28548).

2²⁶³⁴³⁰ is an apocalyptic number.

263430 is an abundant number, since it is smaller than the sum of its proper divisors (421722).

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

263430 is a wasteful number, since it uses less digits than its factorization.

263430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2940 (or 2937 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 263430 is about 513.2543229238. The cubic root of 263430 is about 64.1044842775.

Adding to 263430 its reverse (34362), we get a palindrome (297792).

The spelling of 263430 in words is "two hundred sixty-three thousand, four hundred thirty".