2428447 has 18 divisors (see below), whose sum is σ = 3026664. Its totient is φ = 1908360.

The previous prime is 2428441. The next prime is 2428451. The reversal of 2428447 is 7448242.

2428447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2428447 - 2¹¹ = 2426399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 78322 + ... + 78352.

It is an arithmetic number, because the mean of its divisors is an integer number (168148).

2^2428447 is an apocalyptic number.

2428447 is a deficient number, since it is larger than the sum of its proper divisors (598217).

2428447 is an equidigital number, since it uses as much as digits as its factorization.

2428447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 57 counting only the distinct ones).

The product of its digits is 14336, while the sum is 31.

The square root of 2428447 is about 1558.3475222170. The cubic root of 2428447 is about 134.4134958752.

The spelling of 2428447 in words is "two million, four hundred twenty-eight thousand, four hundred forty-seven".