4099261 has 16 divisors (see below), whose sum is σ = 4553280. Its totient is φ = 3674880.

The previous prime is 4099259. The next prime is 4099273. The reversal of 4099261 is 1629904.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 4099261 - 2¹ = 4099259 is a prime.

It is a super-2 number, since 2×4099261² = 33607881492242, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61150 + ... + 61216.

It is an arithmetic number, because the mean of its divisors is an integer number (284580).

Almost surely, 2^4099261 is an apocalyptic number.

It is an amenable number.

4099261 is a deficient number, since it is larger than the sum of its proper divisors (454019).

4099261 is a wasteful number, since it uses less digits than its factorization.

4099261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 4099261 is about 2024.6631818651. The cubic root of 4099261 is about 160.0424496742.

The spelling of 4099261 in words is "four million, ninety-nine thousand, two hundred sixty-one".