4493945 has 8 divisors (see below), whose sum is σ = 5469120. Its totient is φ = 3544240.

The previous prime is 4493939. The next prime is 4494019. The reversal of 4493945 is 5493944.

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

It is not a de Polignac number, because 4493945 - 2⁸ = 4493689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4493899 and 4493908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975 + ... + 6684.

It is an arithmetic number, because the mean of its divisors is an integer number (683640).

Almost surely, 2^4493945 is an apocalyptic number.

It is an amenable number.

4493945 is a deficient number, since it is larger than the sum of its proper divisors (975175).

4493945 is a wasteful number, since it uses less digits than its factorization.

4493945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12735.

The product of its digits is 77760, while the sum is 38.

The square root of 4493945 is about 2119.8926859631. The cubic root of 4493945 is about 165.0222804317.

Subtracting 4493945 from its reverse (5493944), we obtain a palindrome (999999).

The spelling of 4493945 in words is "four million, four hundred ninety-three thousand, nine hundred forty-five".