4099976 has 8 divisors (see below), whose sum is σ = 7687470. Its totient is φ = 2049984.

The previous prime is 4099961. The next prime is 4099981. The reversal of 4099976 is 6799904.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 139876 = 1990^2 + 374^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256241 + ... + 256256.

Almost surely, 2^4099976 is an apocalyptic number.

It is an amenable number.

4099976 is a deficient number, since it is larger than the sum of its proper divisors (3587494).

4099976 is a wasteful number, since it uses less digits than its factorization.

4099976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512503 (or 512499 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 4099976 is about 2024.8397467454. The cubic root of 4099976 is about 160.0517540910.

The spelling of 4099976 in words is "four million, ninety-nine thousand, nine hundred seventy-six".