4093649 has 8 divisors (see below), whose sum is σ = 4755648. Its totient is φ = 3450960.

The previous prime is 4093637. The next prime is 4093679. The reversal of 4093649 is 9463904.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4093649 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11 and base 15.

It is not an unprimeable number, because it can be changed into a prime (4093679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367 + ... + 5220.

It is an arithmetic number, because the mean of its divisors is an integer number (594456).

Almost surely, 2^4093649 is an apocalyptic number.

It is an amenable number.

4093649 is a deficient number, since it is larger than the sum of its proper divisors (661999).

4093649 is an equidigital number, since it uses as much as digits as its factorization.

4093649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9655.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 4093649 is about 2023.2767976725. The cubic root of 4093649 is about 159.9693821621.

The spelling of 4093649 in words is "four million, ninety-three thousand, six hundred forty-nine".