2997648 has 70 divisors (see below), whose sum is σ = 8741814. Its totient is φ = 995328.

The previous prime is 2997641. The next prime is 2997653. The reversal of 2997648 is 8467992.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 11664 = 1728^2 + 108^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2997641) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 11536 + ... + 11792.

2^2997648 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 2997648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4370907).

2997648 is an abundant number, since it is smaller than the sum of its proper divisors (5744166).

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

2997648 is an equidigital number, since it uses as much as digits as its factorization.

2997648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 262 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 2997648 is about 1731.3717105232. The cubic root of 2997648 is about 144.1872563878.

The spelling of 2997648 in words is "two million, nine hundred ninety-seven thousand, six hundred forty-eight".