494751 has 16 divisors (see below), whose sum is σ = 712800. Its totient is φ = 304128.

The previous prime is 494749. The next prime is 494759. The reversal of 494751 is 157494.

It is a happy number.

494751 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 494751 - 2¹ = 494749 is a prime.

494751 is strictly pandigital in base 7.

494751 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 494751.

It is not an unprimeable number, because it can be changed into a prime (494759) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4485 + ... + 4593.

It is an arithmetic number, because the mean of its divisors is an integer number (44550).

2⁴⁹⁴⁷⁵¹ is an apocalyptic number.

494751 is a deficient number, since it is larger than the sum of its proper divisors (218049).

494751 is a wasteful number, since it uses less digits than its factorization.

494751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218.

The product of its digits is 5040, while the sum is 30.

The square root of 494751 is about 703.3853851197. The cubic root of 494751 is about 79.0913327065.

The spelling of 494751 in words is "four hundred ninety-four thousand, seven hundred fifty-one".