462391 has 4 divisors (see below), whose sum is σ = 463752. Its totient is φ = 461032.

The previous prime is 462377. The next prime is 462401. The reversal of 462391 is 193264.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 462391 - 2⁷ = 462263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (462311) 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, 336 + ... + 1018.

It is an arithmetic number, because the mean of its divisors is an integer number (115938).

2⁴⁶²³⁹¹ is an apocalyptic number.

462391 is a deficient number, since it is larger than the sum of its proper divisors (1361).

462391 is an equidigital number, since it uses as much as digits as its factorization.

462391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360.

The product of its digits is 1296, while the sum is 25.

The square root of 462391 is about 679.9933823207. The cubic root of 462391 is about 77.3279429622.

The spelling of 462391 in words is "four hundred sixty-two thousand, three hundred ninety-one".