4099518 has 32 divisors (see below), whose sum is σ = 9223200. Its totient is φ = 1349568.

The previous prime is 4099517. The next prime is 4099523. The reversal of 4099518 is 8159904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4380 + ... + 5232.

It is an arithmetic number, because the mean of its divisors is an integer number (288225).

Almost surely, 2^4099518 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4099518, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4611600).

4099518 is an abundant number, since it is smaller than the sum of its proper divisors (5123682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4099518 is a wasteful number, since it uses less digits than its factorization.

4099518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953 (or 947 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 4099518 is about 2024.7266482170. The cubic root of 4099518 is about 160.0457941835.

The spelling of 4099518 in words is "four million, ninety-nine thousand, five hundred eighteen".