496861 has 4 divisors (see below), whose sum is σ = 501372. Its totient is φ = 492352.

The previous prime is 496849. The next prime is 496871. The reversal of 496861 is 168694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 168694 = 2 ⋅84347.

It can be written as a sum of positive squares in 2 ways, for example, as 93636 + 403225 = 306^2 + 635^2 .

It is a cyclic number.

It is not a de Polignac number, because 496861 - 2⁷ = 496733 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 (496841) 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, 2086 + ... + 2311.

It is an arithmetic number, because the mean of its divisors is an integer number (125343).

2⁴⁹⁶⁸⁶¹ is an apocalyptic number.

It is an amenable number.

496861 is a deficient number, since it is larger than the sum of its proper divisors (4511).

496861 is a wasteful number, since it uses less digits than its factorization.

496861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4510.

The product of its digits is 10368, while the sum is 34.

The square root of 496861 is about 704.8836783470. The cubic root of 496861 is about 79.2036087360.

The spelling of 496861 in words is "four hundred ninety-six thousand, eight hundred sixty-one".