4391463 has 4 divisors (see below), whose sum is σ = 5855288. Its totient is φ = 2927640.

The previous prime is 4391449. The next prime is 4391483. The reversal of 4391463 is 3641934.

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

It is not a de Polignac number, because 4391463 - 2⁶ = 4391399 is a prime.

It is a D-number.

It is a Duffinian number.

4391463 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4391463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4391483) 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, 731908 + ... + 731913.

It is an arithmetic number, because the mean of its divisors is an integer number (1463822).

Almost surely, 2^4391463 is an apocalyptic number.

4391463 is a deficient number, since it is larger than the sum of its proper divisors (1463825).

4391463 is a wasteful number, since it uses less digits than its factorization.

4391463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463824.

The product of its digits is 7776, while the sum is 30.

The square root of 4391463 is about 2095.5817807950. The cubic root of 4391463 is about 163.7582075408.

The spelling of 4391463 in words is "four million, three hundred ninety-one thousand, four hundred sixty-three".