4040779 has 2 divisors, whose sum is σ = 4040780. Its totient is φ = 4040778.

The previous prime is 4040741. The next prime is 4040783. The reversal of 4040779 is 9770404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4040779 - 2¹⁷ = 3909707 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4040779.

It is not a weakly prime, because it can be changed into another prime (4040719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020389 + 2020390.

It is an arithmetic number, because the mean of its divisors is an integer number (2020390).

Almost surely, 2^4040779 is an apocalyptic number.

4040779 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040779 is an equidigital number, since it uses as much as digits as its factorization.

4040779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 4040779 is about 2010.1688983765. The cubic root of 4040779 is about 159.2777209247.

The spelling of 4040779 in words is "four million, forty thousand, seven hundred seventy-nine".