3257480 has 64 divisors (see below), whose sum is σ = 7879680. Its totient is φ = 1209600.

The previous prime is 3257453. The next prime is 3257497. The reversal of 3257480 is 847523.

It is a happy number.

It is a super-2 number, since 2×3257480² = 21222351900800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45845 + ... + 45915.

It is an arithmetic number, because the mean of its divisors is an integer number (123120).

Almost surely, 2^3257480 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 3257480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3939840).

3257480 is an abundant number, since it is smaller than the sum of its proper divisors (4622200).

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

3257480 is a wasteful number, since it uses less digits than its factorization.

3257480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 3257480 is about 1804.8490241569. The cubic root of 3257480 is about 148.2383546614.

The spelling of 3257480 in words is "three million, two hundred fifty-seven thousand, four hundred eighty".