9003993406 has 8 divisors (see below), whose sum is σ = 13511841264. Its totient is φ = 4500046320.

The previous prime is 9003993403. The next prime is 9003993413. The reversal of 9003993406 is 6043993009.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9003993403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969415 + ... + 978658.

It is an arithmetic number, because the mean of its divisors is an integer number (1688980158).

Almost surely, 2^9003993406 is an apocalyptic number.

9003993406 is a deficient number, since it is larger than the sum of its proper divisors (4507847858).

9003993406 is a wasteful number, since it uses less digits than its factorization.

9003993406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950386.

The product of its (nonzero) digits is 157464, while the sum is 43.

The square root of 9003993406 is about 94889.3745684942. The cubic root of 9003993406 is about 2080.3914301238.

The spelling of 9003993406 in words is "nine billion, three million, nine hundred ninety-three thousand, four hundred six".