2428786 has 4 divisors (see below), whose sum is σ = 3643182. Its totient is φ = 1214392.

The previous prime is 2428781. The next prime is 2428787. The reversal of 2428786 is 6878242.

2428786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 398161 = 1425^2 + 631^2 .

It is not an unprimeable number, because it can be changed into a prime (2428781) 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 as a sum of consecutive naturals, namely, 607195 + ... + 607198.

2^2428786 is an apocalyptic number.

2428786 is a deficient number, since it is larger than the sum of its proper divisors (1214396).

2428786 is a wasteful number, since it uses less digits than its factorization.

2428786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214395.

The product of its digits is 43008, while the sum is 37.

The square root of 2428786 is about 1558.4562874845. The cubic root of 2428786 is about 134.4197500856.

It can be divided in two parts, 242 and 8786, that multiplied together give a palindrome (2126212).

The spelling of 2428786 in words is "two million, four hundred twenty-eight thousand, seven hundred eighty-six".