493961 has 4 divisors (see below), whose sum is σ = 531972. Its totient is φ = 455952.

The previous prime is 493939. The next prime is 493967. The reversal of 493961 is 169394.

493961 is an esthetic number in base 16, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 169394 = 2 ⋅84697.

It can be written as a sum of positive squares in 2 ways, for example, as 295936 + 198025 = 544^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 493961 - 2⁶ = 493897 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 493961.

It is not an unprimeable number, because it can be changed into a prime (493967) 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, 18986 + ... + 19011.

It is an arithmetic number, because the mean of its divisors is an integer number (132993).

2⁴⁹³⁹⁶¹ is an apocalyptic number.

It is an amenable number.

493961 is a deficient number, since it is larger than the sum of its proper divisors (38011).

493961 is a wasteful number, since it uses less digits than its factorization.

493961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38010.

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

The square root of 493961 is about 702.8235909530. The cubic root of 493961 is about 79.0492135807.

The spelling of 493961 in words is "four hundred ninety-three thousand, nine hundred sixty-one".