2618428 has 24 divisors (see below), whose sum is σ = 4878720. Its totient is φ = 1226160.

The previous prime is 2618423. The next prime is 2618449. The reversal of 2618428 is 8248162.

It is a self number, because there is not a number n which added to its sum of digits gives 2618428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2618423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9825 + ... + 10087.

It is an arithmetic number, because the mean of its divisors is an integer number (203280).

2^2618428 is an apocalyptic number.

It is an amenable number.

2618428 is a deficient number, since it is larger than the sum of its proper divisors (2260292).

2618428 is a wasteful number, since it uses less digits than its factorization.

2618428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 415 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 2618428 is about 1618.1557403415. The cubic root of 2618428 is about 137.8309910264.

The spelling of 2618428 in words is "two million, six hundred eighteen thousand, four hundred twenty-eight".