9744890 has 8 divisors (see below), whose sum is σ = 17540820. Its totient is φ = 3897952.

The previous prime is 9744871. The next prime is 9744901. The reversal of 9744890 is 984479.

It can be written as a sum of positive squares in 2 ways, for example, as 9628609 + 116281 = 3103^2 + 341^2 .

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

It is a super-2 number, since 2×9744890² = 189925762224200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 487235 + ... + 487254.

Almost surely, 2^9744890 is an apocalyptic number.

9744890 is a deficient number, since it is larger than the sum of its proper divisors (7795930).

9744890 is a wasteful number, since it uses less digits than its factorization.

9744890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974496.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 9744890 is about 3121.6806370928. The cubic root of 9744890 is about 213.5956057067.

The spelling of 9744890 in words is "nine million, seven hundred forty-four thousand, eight hundred ninety".