494940979 has 8 divisors (see below), whose sum is σ = 556188192. Its totient is φ = 437004480.

The previous prime is 494940931. The next prime is 494940989. The reversal of 494940979 is 979049494.

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 494940979 - 2¹³ = 494932787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (494940989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 827362 + ... + 827959.

It is an arithmetic number, because the mean of its divisors is an integer number (69523524).

Almost surely, 2^494940979 is an apocalyptic number.

494940979 is a deficient number, since it is larger than the sum of its proper divisors (61247213).

494940979 is a wasteful number, since it uses less digits than its factorization.

494940979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655357.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 494940979 is about 22247.2690234105. The cubic root of 494940979 is about 791.0145481471.

The spelling of 494940979 in words is "four hundred ninety-four million, nine hundred forty thousand, nine hundred seventy-nine".