4100399 has 2 divisors, whose sum is σ = 4100400. Its totient is φ = 4100398.

The previous prime is 4100381. The next prime is 4100407. The reversal of 4100399 is 9930014.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4100399 is a prime.

It is an Ulam number.

It is a plaindrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4100099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2050199 + 2050200.

It is an arithmetic number, because the mean of its divisors is an integer number (2050200).

Almost surely, 2^4100399 is an apocalyptic number.

4100399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4100399 is an equidigital number, since it uses as much as digits as its factorization.

4100399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 4100399 is about 2024.9441967620. The cubic root of 4100399 is about 160.0572581528.

The spelling of 4100399 in words is "four million, one hundred thousand, three hundred ninety-nine".