4099438 has 24 divisors (see below), whose sum is σ = 7284600. Its totient is φ = 1724688.

The previous prime is 4099369. The next prime is 4099441. The reversal of 4099438 is 8349904.

It is a junction number, because it is equal to n+sod(n) for n = 4099397 and 4099406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5428 + ... + 6136.

It is an arithmetic number, because the mean of its divisors is an integer number (303525).

Almost surely, 2^4099438 is an apocalyptic number.

4099438 is a deficient number, since it is larger than the sum of its proper divisors (3185162).

4099438 is a wasteful number, since it uses less digits than its factorization.

4099438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 4099438 is about 2024.7068923674. The cubic root of 4099438 is about 160.0447531061.

The spelling of 4099438 in words is "four million, ninety-nine thousand, four hundred thirty-eight".