4463391 has 4 divisors (see below), whose sum is σ = 5951192. Its totient is φ = 2975592.

The previous prime is 4463377. The next prime is 4463399. The reversal of 4463391 is 1933644.

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

It is not a de Polignac number, because 4463391 - 2⁹ = 4462879 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4463399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 743896 + ... + 743901.

It is an arithmetic number, because the mean of its divisors is an integer number (1487798).

Almost surely, 2^4463391 is an apocalyptic number.

4463391 is a deficient number, since it is larger than the sum of its proper divisors (1487801).

4463391 is a wasteful number, since it uses less digits than its factorization.

4463391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487800.

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

The square root of 4463391 is about 2112.6738981679. The cubic root of 4463391 is about 164.6474382052.

The spelling of 4463391 in words is "four million, four hundred sixty-three thousand, three hundred ninety-one".