9945493 has 16 divisors (see below), whose sum is σ = 11370240. Its totient is φ = 8640000.

The previous prime is 9945461. The next prime is 9945511. The reversal of 9945493 is 3945499.

9945493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9945493 - 2⁵ = 9945461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9945443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12868 + ... + 13618.

It is an arithmetic number, because the mean of its divisors is an integer number (710640).

Almost surely, 2^9945493 is an apocalyptic number.

It is an amenable number.

9945493 is a deficient number, since it is larger than the sum of its proper divisors (1424747).

9945493 is a wasteful number, since it uses less digits than its factorization.

9945493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 828.

The product of its digits is 174960, while the sum is 43.

The square root of 9945493 is about 3153.6475706711. The cubic root of 9945493 is about 215.0513163969.

The spelling of 9945493 in words is "nine million, nine hundred forty-five thousand, four hundred ninety-three".