4381263 has 8 divisors (see below), whose sum is σ = 6490800. Its totient is φ = 2920824.

The previous prime is 4381253. The next prime is 4381271. The reversal of 4381263 is 3621834.

It is a happy number.

4381263 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4381263 - 2⁸ = 4381007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 162269 = 4381263 / (4 + 3 + 8 + 1 + 2 + 6 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4381253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81108 + ... + 81161.

It is an arithmetic number, because the mean of its divisors is an integer number (811350).

Almost surely, 2^4381263 is an apocalyptic number.

4381263 is a deficient number, since it is larger than the sum of its proper divisors (2109537).

4381263 is a wasteful number, since it uses less digits than its factorization.

4381263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162278 (or 162272 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4381263 is about 2093.1466742682. The cubic root of 4381263 is about 163.6313228245.

The spelling of 4381263 in words is "four million, three hundred eighty-one thousand, two hundred sixty-three".