391467 has 4 divisors (see below), whose sum is σ = 521960. Its totient is φ = 260976.

The previous prime is 391453. The next prime is 391487. The reversal of 391467 is 764193.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764193 = 3 ⋅254731.

It is not a de Polignac number, because 391467 - 2⁴ = 391451 is a prime.

It is a D-number.

It is a Duffinian number.

391467 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 391467.

It is not an unprimeable number, because it can be changed into a prime (391487) 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, 65242 + ... + 65247.

It is an arithmetic number, because the mean of its divisors is an integer number (130490).

2³⁹¹⁴⁶⁷ is an apocalyptic number.

391467 is a deficient number, since it is larger than the sum of its proper divisors (130493).

391467 is a wasteful number, since it uses less digits than its factorization.

391467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130492.

The product of its digits is 4536, while the sum is 30.

The square root of 391467 is about 625.6732374011. The cubic root of 391467 is about 73.1529289182.

It can be divided in two parts, 391 and 467, that added together give a palindrome (858).

The spelling of 391467 in words is "three hundred ninety-one thousand, four hundred sixty-seven".