9404144 has 20 divisors (see below), whose sum is σ = 18299424. Its totient is φ = 4681728.

The previous prime is 9404141. The next prime is 9404147. The reversal of 9404144 is 4414049.

It is an interprime number because it is at equal distance from previous prime (9404141) and next prime (9404147).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9404141) 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, 2969 + ... + 5255.

Almost surely, 2^9404144 is an apocalyptic number.

It is an amenable number.

9404144 is a deficient number, since it is larger than the sum of its proper divisors (8895280).

9404144 is a wasteful number, since it uses less digits than its factorization.

9404144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552 (or 2546 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 9404144 is about 3066.6176807682. The cubic root of 9404144 is about 211.0764380934.

The spelling of 9404144 in words is "nine million, four hundred four thousand, one hundred forty-four".