494797994 has 4 divisors (see below), whose sum is σ = 742196994. Its totient is φ = 247398996.

The previous prime is 494797993. The next prime is 494797997. The reversal of 494797994 is 499797494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 493417369 + 1380625 = 22213^2 + 1175^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (494797993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123699497 + ... + 123699500.

Almost surely, 2^494797994 is an apocalyptic number.

494797994 is a deficient number, since it is larger than the sum of its proper divisors (247399000).

494797994 is a wasteful number, since it uses less digits than its factorization.

494797994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247398999.

The product of its digits is 20575296, while the sum is 62.

The square root of 494797994 is about 22244.0552507855. The cubic root of 494797994 is about 790.9383679470.

The spelling of 494797994 in words is "four hundred ninety-four million, seven hundred ninety-seven thousand, nine hundred ninety-four".