496391 has 4 divisors (see below), whose sum is σ = 567312. Its totient is φ = 425472.

The previous prime is 496381. The next prime is 496399. The reversal of 496391 is 193694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 193694 = 2 ⋅96847.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-496391 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (496399) 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, 35450 + ... + 35463.

It is an arithmetic number, because the mean of its divisors is an integer number (141828).

2⁴⁹⁶³⁹¹ is an apocalyptic number.

496391 is a deficient number, since it is larger than the sum of its proper divisors (70921).

496391 is an equidigital number, since it uses as much as digits as its factorization.

496391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70920.

The product of its digits is 5832, while the sum is 32.

The square root of 496391 is about 704.5502111276. The cubic root of 496391 is about 79.1786269403.

The spelling of 496391 in words is "four hundred ninety-six thousand, three hundred ninety-one".