4099547 has 4 divisors (see below), whose sum is σ = 4151520. Its totient is φ = 4047576.

The previous prime is 4099541. The next prime is 4099561. The reversal of 4099547 is 7459904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4099547 - 2⁴ = 4099531 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4099547.

It is not an unprimeable number, because it can be changed into a prime (4099541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25868 + ... + 26025.

It is an arithmetic number, because the mean of its divisors is an integer number (1037880).

Almost surely, 2^4099547 is an apocalyptic number.

4099547 is a deficient number, since it is larger than the sum of its proper divisors (51973).

4099547 is an equidigital number, since it uses as much as digits as its factorization.

4099547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51972.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 4099547 is about 2024.7338096649. The cubic root of 4099547 is about 160.0461715707.

The spelling of 4099547 in words is "four million, ninety-nine thousand, five hundred forty-seven".