4099329 has 40 divisors (see below), whose sum is σ = 7013160. Its totient is φ = 2363904.

The previous prime is 4099321. The next prime is 4099331. The reversal of 4099329 is 9239904.

It can be written as a sum of positive squares in 4 ways, for example, as 1327104 + 2772225 = 1152^2 + 1665^2 .

It is not a de Polignac number, because 4099329 - 2³ = 4099321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4099293 and 4099302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099321) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17787 + ... + 18015.

It is an arithmetic number, because the mean of its divisors is an integer number (175329).

Almost surely, 2^4099329 is an apocalyptic number.

It is an amenable number.

4099329 is a deficient number, since it is larger than the sum of its proper divisors (2913831).

4099329 is a wasteful number, since it uses less digits than its factorization.

4099329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 4099329 is about 2024.6799747121. The cubic root of 4099329 is about 160.0433346163.

The spelling of 4099329 in words is "four million, ninety-nine thousand, three hundred twenty-nine".