4078999 has 2 divisors, whose sum is σ = 4079000. Its totient is φ = 4078998.

The previous prime is 4078993. The next prime is 4079003. The reversal of 4078999 is 9998704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4078999 - 2⁷ = 4078871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4078993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2039499 + 2039500.

It is an arithmetic number, because the mean of its divisors is an integer number (2039500).

Almost surely, 2^4078999 is an apocalyptic number.

4078999 is a deficient number, since it is larger than the sum of its proper divisors (1).

4078999 is an equidigital number, since it uses as much as digits as its factorization.

4078999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 4078999 is about 2019.6531880499. The cubic root of 4078999 is about 159.7783258329.

The spelling of 4078999 in words is "four million, seventy-eight thousand, nine hundred ninety-nine".