494957 has 4 divisors (see below), whose sum is σ = 505536. Its totient is φ = 484380.

The previous prime is 494939. The next prime is 494959. The reversal of 494957 is 759494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 494957 - 2¹⁴ = 478573 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 494957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494959) 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, 5219 + ... + 5312.

It is an arithmetic number, because the mean of its divisors is an integer number (126384).

2⁴⁹⁴⁹⁵⁷ is an apocalyptic number.

494957 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

494957 is a deficient number, since it is larger than the sum of its proper divisors (10579).

494957 is a wasteful number, since it uses less digits than its factorization.

494957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10578.

The product of its digits is 45360, while the sum is 38.

The square root of 494957 is about 703.5318045405. The cubic root of 494957 is about 79.1023082974.

The spelling of 494957 in words is "four hundred ninety-four thousand, nine hundred fifty-seven".