494149 has 4 divisors (see below), whose sum is σ = 498636. Its totient is φ = 489664.

The previous prime is 494147. The next prime is 494167. The reversal of 494149 is 941494.

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 112225 + 381924 = 335^2 + 618^2 .

It is a cyclic number.

It is not a de Polignac number, because 494149 - 2¹ = 494147 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 494149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494141) 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, 2074 + ... + 2299.

It is an arithmetic number, because the mean of its divisors is an integer number (124659).

2⁴⁹⁴¹⁴⁹ is an apocalyptic number.

It is an amenable number.

494149 is a deficient number, since it is larger than the sum of its proper divisors (4487).

494149 is a wasteful number, since it uses less digits than its factorization.

494149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486.

The product of its digits is 5184, while the sum is 31.

The square root of 494149 is about 702.9573244515. The cubic root of 494149 is about 79.0592409359.

The spelling of 494149 in words is "four hundred ninety-four thousand, one hundred forty-nine".