4099949 has 8 divisors (see below), whose sum is σ = 4704000. Its totient is φ = 3500496.

The previous prime is 4099943. The next prime is 4099961. The reversal of 4099949 is 9499904.

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-4099949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099943) 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, 1052 + ... + 3050.

It is an arithmetic number, because the mean of its divisors is an integer number (588000).

Almost surely, 2^4099949 is an apocalyptic number.

It is an amenable number.

4099949 is a deficient number, since it is larger than the sum of its proper divisors (604051).

4099949 is a wasteful number, since it uses less digits than its factorization.

4099949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2299.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 4099949 is about 2024.8330795401. The cubic root of 4099949 is about 160.0514027550.

The spelling of 4099949 in words is "four million, ninety-nine thousand, nine hundred forty-nine".