2617428 has 48 divisors (see below), whose sum is σ = 6773760. Its totient is φ = 780000.

The previous prime is 2617427. The next prime is 2617429. The reversal of 2617428 is 8247162.

2617428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2617427) and next prime (2617429).

It is a junction number, because it is equal to n+sod(n) for n = 2617395 and 2617404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2617427) 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, 10303 + ... + 10553.

It is an arithmetic number, because the mean of its divisors is an integer number (141120).

2^2617428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2617428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3386880).

2617428 is an abundant number, since it is smaller than the sum of its proper divisors (4156332).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2617428 is a wasteful number, since it uses less digits than its factorization.

2617428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 346 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 2617428 is about 1617.8467170903. The cubic root of 2617428 is about 137.8134425149.

The spelling of 2617428 in words is "two million, six hundred seventeen thousand, four hundred twenty-eight".