4040279 has 2 divisors, whose sum is σ = 4040280. Its totient is φ = 4040278.

The previous prime is 4040233. The next prime is 4040287. The reversal of 4040279 is 9720404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4040279 - 2¹² = 4036183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4040219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020139 + 2020140.

It is an arithmetic number, because the mean of its divisors is an integer number (2020140).

Almost surely, 2^4040279 is an apocalyptic number.

4040279 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040279 is an equidigital number, since it uses as much as digits as its factorization.

4040279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 4040279 is about 2010.0445268700. The cubic root of 4040279 is about 159.2711510574.

The spelling of 4040279 in words is "four million, forty thousand, two hundred seventy-nine".