463391 has 8 divisors (see below), whose sum is σ = 505200. Its totient is φ = 423864.

The previous prime is 463387. The next prime is 463399. The reversal of 463391 is 193364.

It is not a de Polignac number, because 463391 - 2² = 463387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 463391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463399) 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, 15965 + ... + 15993.

It is an arithmetic number, because the mean of its divisors is an integer number (63150).

2⁴⁶³³⁹¹ is an apocalyptic number.

463391 is a deficient number, since it is larger than the sum of its proper divisors (41809).

463391 is an frugal number, since it uses more digits than its factorization.

463391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 48 counting only the distinct ones).

The product of its digits is 1944, while the sum is 26.

The square root of 463391 is about 680.7282864697. The cubic root of 463391 is about 77.3836478129.

The spelling of 463391 in words is "four hundred sixty-three thousand, three hundred ninety-one".