9999494 has 8 divisors (see below), whose sum is σ = 15015000. Its totient is φ = 4994496.

The previous prime is 9999481. The next prime is 9999511. The reversal of 9999494 is 4949999.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 497 + ... + 4499.

It is an arithmetic number, because the mean of its divisors is an integer number (1876875).

Almost surely, 2^9999494 is an apocalyptic number.

9999494 is a deficient number, since it is larger than the sum of its proper divisors (5015506).

9999494 is a wasteful number, since it uses less digits than its factorization.

9999494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5254.

The product of its digits is 944784, while the sum is 53.

The square root of 9999494 is about 3162.1976535315. The cubic root of 9999494 is about 215.4398351287.

The spelling of 9999494 in words is "nine million, nine hundred ninety-nine thousand, four hundred ninety-four".