494939 has 2 divisors, whose sum is σ = 494940. Its totient is φ = 494938.

The previous prime is 494933. The next prime is 494959. The reversal of 494939 is 939494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494939 is a prime.

It is a super-2 number, since 2×494939² = 489929227442, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (494933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 247469 + 247470.

It is an arithmetic number, because the mean of its divisors is an integer number (247470).

2⁴⁹⁴⁹³⁹ is an apocalyptic number.

494939 is a deficient number, since it is larger than the sum of its proper divisors (1).

494939 is an equidigital number, since it uses as much as digits as its factorization.

494939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The square root of 494939 is about 703.5190118256. The cubic root of 494939 is about 79.1013493867.

It can be divided in two parts, 4 and 94939, that multiplied together give a triangular number (379756 = T₈₇₁).

The spelling of 494939 in words is "four hundred ninety-four thousand, nine hundred thirty-nine".