493957 has 4 divisors (see below), whose sum is σ = 511020. Its totient is φ = 476896.

The previous prime is 493939. The next prime is 493967. The reversal of 493957 is 759394.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181476 + 312481 = 426^2 + 559^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493957 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 (493937) 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, 8488 + ... + 8545.

It is an arithmetic number, because the mean of its divisors is an integer number (127755).

2⁴⁹³⁹⁵⁷ is an apocalyptic number.

It is an amenable number.

493957 is a deficient number, since it is larger than the sum of its proper divisors (17063).

493957 is a wasteful number, since it uses less digits than its factorization.

493957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17062.

The product of its digits is 34020, while the sum is 37.

The square root of 493957 is about 702.8207452829. The cubic root of 493957 is about 79.0490002051.

It can be divided in two parts, 4 and 93957, that added together give a triangular number (93961 = T₄₃₃).

The spelling of 493957 in words is "four hundred ninety-three thousand, nine hundred fifty-seven".