2428191 has 16 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 1604664.

The previous prime is 2428189. The next prime is 2428207. The reversal of 2428191 is 1918242.

2428191 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 2428191 - 2¹ = 2428189 is a prime.

It is a super-2 number, since 2×2428191² = 11792223064962, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2428171) 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 15 ways as a sum of consecutive naturals, for example, 3430 + ... + 4076.

It is an arithmetic number, because the mean of its divisors is an integer number (226800).

2^2428191 is an apocalyptic number.

2428191 is a deficient number, since it is larger than the sum of its proper divisors (1200609).

2428191 is a wasteful number, since it uses less digits than its factorization.

2428191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 789 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 2428191 is about 1558.2653817627. The cubic root of 2428191 is about 134.4087725460.

The spelling of 2428191 in words is "two million, four hundred twenty-eight thousand, one hundred ninety-one".