3257648 has 20 divisors (see below), whose sum is σ = 6379800. Its totient is φ = 1611264.

The previous prime is 3257641. The next prime is 3257663. The reversal of 3257648 is 8467523.

It is a happy number.

It is a super-2 number, since 2×3257648² = 21224540983808, which contains 22 as substring.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (3257641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (318990).

Almost surely, 2^3257648 is an apocalyptic number.

It is an amenable number.

3257648 is a deficient number, since it is larger than the sum of its proper divisors (3122152).

3257648 is a wasteful number, since it uses less digits than its factorization.

3257648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2198 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 3257648 is about 1804.8955648458. The cubic root of 3257648 is about 148.2409030133.

The spelling of 3257648 in words is "three million, two hundred fifty-seven thousand, six hundred forty-eight".