2615328 has 60 divisors (see below), whose sum is σ = 7699230. Its totient is φ = 870912.

The previous prime is 2615317. The next prime is 2615329. The reversal of 2615328 is 8235162.

It can be written as a sum of positive squares in only one way, i.e., 2396304 + 219024 = 1548^2 + 468^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2615329) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2088 + ... + 3096.

2^2615328 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 2615328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3849615).

2615328 is an abundant number, since it is smaller than the sum of its proper divisors (5083902).

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

2615328 is a wasteful number, since it uses less digits than its factorization.

2615328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1014 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 2615328 is about 1617.1975760556. The cubic root of 2615328 is about 137.7765760869.

The spelling of 2615328 in words is "two million, six hundred fifteen thousand, three hundred twenty-eight".