9440019 has 6 divisors (see below), whose sum is σ = 13635596. Its totient is φ = 6293340.

The previous prime is 9439987. The next prime is 9440021. The reversal of 9440019 is 9100449.

It is not a de Polignac number, because 9440019 - 2⁵ = 9439987 is a prime.

It is a super-2 number, since 2×9440019² = 178227917440722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9439974 and 9440001.

It is not an unprimeable number, because it can be changed into a prime (9440029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 524437 + ... + 524454.

Almost surely, 2^9440019 is an apocalyptic number.

9440019 is a deficient number, since it is larger than the sum of its proper divisors (4195577).

9440019 is a wasteful number, since it uses less digits than its factorization.

9440019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048897 (or 1048894 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 9440019 is about 3072.4613911325. The cubic root of 9440019 is about 211.3445028434.

The spelling of 9440019 in words is "nine million, four hundred forty thousand, nineteen".