494079289 has 8 divisors (see below), whose sum is σ = 539340768. Its totient is φ = 448875360.

The previous prime is 494079283. The next prime is 494079301. The reversal of 494079289 is 982970494.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 494079289 - 2³ = 494079281 is a prime.

It is a super-2 number, since 2×494079289² = 488228687637491042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494079281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4674 + ... + 31780.

It is an arithmetic number, because the mean of its divisors is an integer number (67417596).

Almost surely, 2^494079289 is an apocalyptic number.

It is an amenable number.

494079289 is a deficient number, since it is larger than the sum of its proper divisors (45261479).

494079289 is a wasteful number, since it uses less digits than its factorization.

494079289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28775.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The square root of 494079289 is about 22227.8943897077. The cubic root of 494079289 is about 790.5552305736. Note that the first 3 decimals are identical.

The spelling of 494079289 in words is "four hundred ninety-four million, seventy-nine thousand, two hundred eighty-nine".