494369490 has 32 divisors (see below), whose sum is σ = 1187081856. Its totient is φ = 131765760.

The previous prime is 494369461. The next prime is 494369509. The reversal of 494369490 is 94963494.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98379 + ... + 103281.

It is an arithmetic number, because the mean of its divisors is an integer number (37096308).

Almost surely, 2^494369490 is an apocalyptic number.

494369490 is an abundant number, since it is smaller than the sum of its proper divisors (692712366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

494369490 is a wasteful number, since it uses less digits than its factorization.

494369490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8274.

The product of its (nonzero) digits is 839808, while the sum is 48.

The square root of 494369490 is about 22234.4212877241. The cubic root of 494369490 is about 790.7099797006.

The spelling of 494369490 in words is "four hundred ninety-four million, three hundred sixty-nine thousand, four hundred ninety".