9940801 has 16 divisors (see below), whose sum is σ = 11708928. Its totient is φ = 8352000.

The previous prime is 9940793. The next prime is 9940811. The reversal of 9940801 is 1080499.

It is a cyclic number.

It is not a de Polignac number, because 9940801 - 2³ = 9940793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9940811) 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 15 ways as a sum of consecutive naturals, for example, 6126 + ... + 7576.

It is an arithmetic number, because the mean of its divisors is an integer number (731808).

Almost surely, 2^9940801 is an apocalyptic number.

It is an amenable number.

9940801 is a deficient number, since it is larger than the sum of its proper divisors (1768127).

9940801 is a wasteful number, since it uses less digits than its factorization.

9940801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 9940801 is about 3152.9035824142. The cubic root of 9940801 is about 215.0174927177.

The spelling of 9940801 in words is "nine million, nine hundred forty thousand, eight hundred one".