4099775 has 6 divisors (see below), whose sum is σ = 5083752. Its totient is φ = 3279800.

The previous prime is 4099729. The next prime is 4099789. The reversal of 4099775 is 5779904.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-4099775 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81971 + ... + 82020.

It is an arithmetic number, because the mean of its divisors is an integer number (847292).

Almost surely, 2^4099775 is an apocalyptic number.

4099775 is a deficient number, since it is larger than the sum of its proper divisors (983977).

4099775 is a wasteful number, since it uses less digits than its factorization.

4099775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164001 (or 163996 counting only the distinct ones).

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 4099775 is about 2024.7901125796. The cubic root of 4099775 is about 160.0491385531.

Adding to 4099775 its sum of digits (41), we get a triangular number (4099816 = T₂₈₆₃).

The spelling of 4099775 in words is "four million, ninety-nine thousand, seven hundred seventy-five".