4010399 has 2 divisors, whose sum is σ = 4010400. Its totient is φ = 4010398.

The previous prime is 4010371. The next prime is 4010423. The reversal of 4010399 is 9930104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4010399 - 2⁸ = 4010143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4010339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005199 + 2005200.

It is an arithmetic number, because the mean of its divisors is an integer number (2005200).

Almost surely, 2^4010399 is an apocalyptic number.

4010399 is a deficient number, since it is larger than the sum of its proper divisors (1).

4010399 is an equidigital number, since it uses as much as digits as its factorization.

4010399 is an evil number, because the sum of its binary digits is even.

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

The square root of 4010399 is about 2002.5980625178. The cubic root of 4010399 is about 158.8775476897.

The spelling of 4010399 in words is "four million, ten thousand, three hundred ninety-nine".