9940383 has 12 divisors (see below), whose sum is σ = 14746888. Its totient is φ = 6447600.

The previous prime is 9940369. The next prime is 9940387. The reversal of 9940383 is 3830499.

It is not a de Polignac number, because 9940383 - 2¹⁰ = 9939359 is a prime.

It is a super-2 number, since 2×9940383² = 197622428373378, which contains 22 as substring.

It is a Duffinian number.

9940383 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9940387) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14593 + ... + 15258.

Almost surely, 2^9940383 is an apocalyptic number.

9940383 is a deficient number, since it is larger than the sum of its proper divisors (4806505).

9940383 is a wasteful number, since it uses less digits than its factorization.

9940383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29894 (or 29891 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 9940383 is about 3152.8372936135. The cubic root of 9940383 is about 215.0144789240.

The spelling of 9940383 in words is "nine million, nine hundred forty thousand, three hundred eighty-three".