2578248 has 24 divisors (see below), whose sum is σ = 6982950. Its totient is φ = 859392.

The previous prime is 2578217. The next prime is 2578249. The reversal of 2578248 is 8428752.

It is a happy number.

2578248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2196324 + 381924 = 1482^2 + 618^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2578249) 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 5 ways as a sum of consecutive naturals, for example, 17833 + ... + 17976.

2^2578248 is an apocalyptic number.

It is an amenable number.

2578248 is an abundant number, since it is smaller than the sum of its proper divisors (4404702).

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

2578248 is a wasteful number, since it uses less digits than its factorization.

2578248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35821 (or 35814 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 2578248 is about 1605.6923740244. The cubic root of 2578248 is about 137.1223444023.

The spelling of 2578248 in words is "two million, five hundred seventy-eight thousand, two hundred forty-eight".