4099858 has 16 divisors (see below), whose sum is σ = 7398720. Its totient is φ = 1664496.

The previous prime is 4099853. The next prime is 4099861. The reversal of 4099858 is 8589904.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7441 + ... + 7972.

It is an arithmetic number, because the mean of its divisors is an integer number (462420).

Almost surely, 2^4099858 is an apocalyptic number.

4099858 is a deficient number, since it is larger than the sum of its proper divisors (3298862).

4099858 is a wasteful number, since it uses less digits than its factorization.

4099858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15441.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 4099858 is about 2024.8106084274. The cubic root of 4099858 is about 160.0502186114.

The spelling of 4099858 in words is "four million, ninety-nine thousand, eight hundred fifty-eight".