2428787 has 2 divisors, whose sum is σ = 2428788. Its totient is φ = 2428786.

The previous prime is 2428781. The next prime is 2428859. The reversal of 2428787 is 7878242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2428787 - 2⁴ = 2428771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2428787.

It is not a weakly prime, because it can be changed into another prime (2428781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1214393 + 1214394.

It is an arithmetic number, because the mean of its divisors is an integer number (1214394).

2^2428787 is an apocalyptic number.

2428787 is a deficient number, since it is larger than the sum of its proper divisors (1).

2428787 is an equidigital number, since it uses as much as digits as its factorization.

2428787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 50176, while the sum is 38.

The square root of 2428787 is about 1558.4566083148. The cubic root of 2428787 is about 134.4197685337.

The spelling of 2428787 in words is "two million, four hundred twenty-eight thousand, seven hundred eighty-seven".