4102399 has 4 divisors (see below), whose sum is σ = 4688464. Its totient is φ = 3516336.

The previous prime is 4102393. The next prime is 4102409. The reversal of 4102399 is 9932014.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9932014 = 2 ⋅4966007.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4102399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102393) 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, 293022 + ... + 293035.

It is an arithmetic number, because the mean of its divisors is an integer number (1172116).

Almost surely, 2^4102399 is an apocalyptic number.

4102399 is a deficient number, since it is larger than the sum of its proper divisors (586065).

4102399 is an equidigital number, since it uses as much as digits as its factorization.

4102399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586064.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 4102399 is about 2025.4379773274. The cubic root of 4102399 is about 160.0832769609.

It can be divided in two parts, 410 and 2399, that added together give a square (2809 = 53²).

The spelling of 4102399 in words is "four million, one hundred two thousand, three hundred ninety-nine".