9940494 has 16 divisors (see below), whose sum is σ = 20418768. Its totient is φ = 3223872.

The previous prime is 9940471. The next prime is 9940501. The reversal of 9940494 is 4940499.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 22167 + ... + 22610.

It is an arithmetic number, because the mean of its divisors is an integer number (1276173).

Almost surely, 2^9940494 is an apocalyptic number.

9940494 is an abundant number, since it is smaller than the sum of its proper divisors (10478274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9940494 is a wasteful number, since it uses less digits than its factorization.

9940494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44819.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 9940494 is about 3152.8548967563. The cubic root of 9940494 is about 215.0152792458.

The spelling of 9940494 in words is "nine million, nine hundred forty thousand, four hundred ninety-four".