6915648 has 56 divisors (see below), whose sum is σ = 18491200. Its totient is φ = 2280960.

The previous prime is 6915619. The next prime is 6915661. The reversal of 6915648 is 8465196.

It is a super-3 number, since 3×6915648³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34653 + ... + 34851.

It is an arithmetic number, because the mean of its divisors is an integer number (330200).

Almost surely, 2^6915648 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 6915648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9245600).

6915648 is an abundant number, since it is smaller than the sum of its proper divisors (11575552).

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

6915648 is a wasteful number, since it uses less digits than its factorization.

6915648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395 (or 385 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 6915648 is about 2629.7619664145. The cubic root of 6915648 is about 190.5216321423.

The spelling of 6915648 in words is "six million, nine hundred fifteen thousand, six hundred forty-eight".