494749 has 2 divisors, whose sum is σ = 494750. Its totient is φ = 494748.

The previous prime is 494743. The next prime is 494759. The reversal of 494749 is 947494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 338724 + 156025 = 582^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 494749 - 2⁷ = 494621 is a prime.

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

It is a nialpdrome in base 14.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247374 + 247375.

It is an arithmetic number, because the mean of its divisors is an integer number (247375).

2⁴⁹⁴⁷⁴⁹ is an apocalyptic number.

It is an amenable number.

494749 is a deficient number, since it is larger than the sum of its proper divisors (1).

494749 is an equidigital number, since it uses as much as digits as its factorization.

494749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 494749 is about 703.3839634225. The cubic root of 494749 is about 79.0912261324.

The spelling of 494749 in words is "four hundred ninety-four thousand, seven hundred forty-nine".