4378263 has 4 divisors (see below), whose sum is σ = 5837688. Its totient is φ = 2918840.

The previous prime is 4378243. The next prime is 4378271. The reversal of 4378263 is 3628734.

4378263 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4378263 - 2⁸ = 4378007 is a prime.

It is a d-powerful number, because it can be written as 4¹¹ + 3² + 7⁶ + 8⁵ + 2¹⁵ + 6² + 3⁶ .

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729708 + ... + 729713.

It is an arithmetic number, because the mean of its divisors is an integer number (1459422).

Almost surely, 2^4378263 is an apocalyptic number.

4378263 is a deficient number, since it is larger than the sum of its proper divisors (1459425).

4378263 is a wasteful number, since it uses less digits than its factorization.

4378263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1459424.

The product of its digits is 24192, while the sum is 33.

The square root of 4378263 is about 2092.4299271421. The cubic root of 4378263 is about 163.5939663168.

The spelling of 4378263 in words is "four million, three hundred seventy-eight thousand, two hundred sixty-three".