2400779 has 2 divisors, whose sum is σ = 2400780. Its totient is φ = 2400778.

The previous prime is 2400773. The next prime is 2400793. The reversal of 2400779 is 9770042.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2400779 - 2¹² = 2396683 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2400773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1200389 + 1200390.

It is an arithmetic number, because the mean of its divisors is an integer number (1200390).

2^2400779 is an apocalyptic number.

2400779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2400779 is an equidigital number, since it uses as much as digits as its factorization.

2400779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2400779 is about 1549.4447392534. Note that the first 3 decimals coincide. The cubic root of 2400779 is about 133.9010742347.

The spelling of 2400779 in words is "two million, four hundred thousand, seven hundred seventy-nine".