6615248 has 40 divisors (see below), whose sum is σ = 13559400. Its totient is φ = 3121664.

The previous prime is 6615241. The next prime is 6615251. The reversal of 6615248 is 8425166.

It can be written as a sum of positive squares in 4 ways, for example, as 425104 + 6190144 = 652^2 + 2488^2 .

It is a super-2 number, since 2×6615248² = 87523012203008, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6615241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24458 + ... + 24726.

It is an arithmetic number, because the mean of its divisors is an integer number (338985).

Almost surely, 2^6615248 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 6615248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6779700).

6615248 is an abundant number, since it is smaller than the sum of its proper divisors (6944152).

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

6615248 is a wasteful number, since it uses less digits than its factorization.

6615248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 6615248 is about 2572.0124416495. The cubic root of 6615248 is about 187.7220882465.

The spelling of 6615248 in words is "six million, six hundred fifteen thousand, two hundred forty-eight".