9440491 has 8 divisors (see below), whose sum is σ = 10065600. Its totient is φ = 8823168.

The previous prime is 9440479. The next prime is 9440507. The reversal of 9440491 is 1940449.

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

It is a cyclic number.

It is not a de Polignac number, because 9440491 - 2⁷ = 9440363 is a prime.

It is a Duffinian number.

9440491 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (9440401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670 + ... + 4396.

It is an arithmetic number, because the mean of its divisors is an integer number (1258200).

Almost surely, 2^9440491 is an apocalyptic number.

9440491 is a deficient number, since it is larger than the sum of its proper divisors (625109).

9440491 is a wasteful number, since it uses less digits than its factorization.

9440491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 9440491 is about 3072.5382015526. The cubic root of 9440491 is about 211.3480251860.

The spelling of 9440491 in words is "nine million, four hundred forty thousand, four hundred ninety-one".