9940499 has 8 divisors (see below), whose sum is σ = 10222560. Its totient is φ = 9662400.

The previous prime is 9940471. The next prime is 9940501.

9940499 = 136² + 137² + ... + 318².

It is a happy number.

9940499 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 9940499 - 2²⁰ = 8891923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9940199) 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 7 ways as a sum of consecutive naturals, for example, 4514 + ... + 6344.

It is an arithmetic number, because the mean of its divisors is an integer number (1277820).

Almost surely, 2^9940499 is an apocalyptic number.

9940499 is a deficient number, since it is larger than the sum of its proper divisors (282061).

9940499 is a wasteful number, since it uses less digits than its factorization.

9940499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1981.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 9940499 is about 3152.8556896883. The cubic root of 9940499 is about 215.0153152962.

The spelling of 9940499 in words is "nine million, nine hundred forty thousand, four hundred ninety-nine".