4099912 has 16 divisors (see below), whose sum is σ = 7708860. Its totient is φ = 2044224.

The previous prime is 4099903. The next prime is 4099943. The reversal of 4099912 is 2199904.

It can be written as a sum of positive squares in 2 ways, for example, as 3437316 + 662596 = 1854^2 + 814^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038 + ... + 5794.

Almost surely, 2^4099912 is an apocalyptic number.

It is an amenable number.

4099912 is a deficient number, since it is larger than the sum of its proper divisors (3608948).

4099912 is a wasteful number, since it uses less digits than its factorization.

4099912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1436 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 4099912 is about 2024.8239429639. The cubic root of 4099912 is about 160.0509212922.

The spelling of 4099912 in words is "four million, ninety-nine thousand, nine hundred twelve".