9940299 has 4 divisors (see below), whose sum is σ = 13253736. Its totient is φ = 6626864.

The previous prime is 9940297. The next prime is 9940313. The reversal of 9940299 is 9920499.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9940299 - 2¹ = 9940297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9940299.

It is not an unprimeable number, because it can be changed into a prime (9940297) 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, 1656714 + ... + 1656719.

It is an arithmetic number, because the mean of its divisors is an integer number (3313434).

Almost surely, 2^9940299 is an apocalyptic number.

9940299 is a deficient number, since it is larger than the sum of its proper divisors (3313437).

9940299 is a wasteful number, since it uses less digits than its factorization.

9940299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313436.

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 9940299 is about 3152.8239722509. The cubic root of 9940299 is about 215.0138732710.

The spelling of 9940299 in words is "nine million, nine hundred forty thousand, two hundred ninety-nine".