494329490 has 8 divisors (see below), whose sum is σ = 889793100. Its totient is φ = 197731792.

The previous prime is 494329487. The next prime is 494329499. The reversal of 494329490 is 94923494.

It can be written as a sum of positive squares in 2 ways, for example, as 461347441 + 32982049 = 21479^2 + 5743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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

It is not an unprimeable number, because it can be changed into a prime (494329499) 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, 24716465 + ... + 24716484.

Almost surely, 2^494329490 is an apocalyptic number.

494329490 is a deficient number, since it is larger than the sum of its proper divisors (395463610).

494329490 is a wasteful number, since it uses less digits than its factorization.

494329490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49432956.

The product of its (nonzero) digits is 279936, while the sum is 44.

The square root of 494329490 is about 22233.5217633195. The cubic root of 494329490 is about 790.6886533763.

The spelling of 494329490 in words is "four hundred ninety-four million, three hundred twenty-nine thousand, four hundred ninety".