4099747 has 4 divisors (see below), whose sum is σ = 4109176. Its totient is φ = 4090320.

The previous prime is 4099729. The next prime is 4099789. The reversal of 4099747 is 7479904.

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 4099747 - 2¹¹ = 4097699 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4099717) by changing a digit.

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, 4029 + ... + 4942.

It is an arithmetic number, because the mean of its divisors is an integer number (1027294).

Almost surely, 2^4099747 is an apocalyptic number.

4099747 is a deficient number, since it is larger than the sum of its proper divisors (9429).

4099747 is an equidigital number, since it uses as much as digits as its factorization.

4099747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9428.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 4099747 is about 2024.7831982709. The cubic root of 4099747 is about 160.0487741927.

The spelling of 4099747 in words is "four million, ninety-nine thousand, seven hundred forty-seven".