3048640 has 56 divisors (see below), whose sum is σ = 8302752. Its totient is φ = 1044480.

The previous prime is 3048631. The next prime is 3048653. The reversal of 3048640 is 468403.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

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, 1560 + ... + 2920.

Almost surely, 2^3048640 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 3048640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4151376).

3048640 is an abundant number, since it is smaller than the sum of its proper divisors (5254112).

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

3048640 is a wasteful number, since it uses less digits than its factorization.

3048640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385 (or 1375 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 3048640 is about 1746.0355093755. The cubic root of 3048640 is about 145.0002378117. Note that the first 3 decimals are identical.

The spelling of 3048640 in words is "three million, forty-eight thousand, six hundred forty".