494540343 has 32 divisors (see below), whose sum is σ = 802126080. Its totient is φ = 298645920.

The previous prime is 494540317. The next prime is 494540351. The reversal of 494540343 is 343045494.

It is a happy number.

It is not a de Polignac number, because 494540343 - 2⁸ = 494540087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 494540298 and 494540307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (494540363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84180 + ... + 89862.

It is an arithmetic number, because the mean of its divisors is an integer number (25066440).

Almost surely, 2^494540343 is an apocalyptic number.

494540343 is a deficient number, since it is larger than the sum of its proper divisors (307585737).

494540343 is a wasteful number, since it uses less digits than its factorization.

494540343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996 (or 5990 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 494540343 is about 22238.2630391854. The cubic root of 494540343 is about 790.8010584147.

The spelling of 494540343 in words is "four hundred ninety-four million, five hundred forty thousand, three hundred forty-three".