4099957 has 4 divisors (see below), whose sum is σ = 4278240. Its totient is φ = 3921676.

The previous prime is 4099943. The next prime is 4099961. The reversal of 4099957 is 7599904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4099957 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4099357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89107 + ... + 89152.

It is an arithmetic number, because the mean of its divisors is an integer number (1069560).

Almost surely, 2^4099957 is an apocalyptic number.

It is an amenable number.

4099957 is a deficient number, since it is larger than the sum of its proper divisors (178283).

4099957 is a wasteful number, since it uses less digits than its factorization.

4099957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178282.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 4099957 is about 2024.8350550107. The cubic root of 4099957 is about 160.0515068547.

The spelling of 4099957 in words is "four million, ninety-nine thousand, nine hundred fifty-seven".