3256680 has 64 divisors (see below), whose sum is σ = 11168640. Its totient is φ = 744192.

The previous prime is 3256637. The next prime is 3256681. The reversal of 3256680 is 866523.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (3256681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1099 + ... + 2778.

It is an arithmetic number, because the mean of its divisors is an integer number (174510).

Almost surely, 2^3256680 is an apocalyptic number.

3256680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3256680 is an abundant number, since it is smaller than the sum of its proper divisors (7911960).

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

3256680 is a wasteful number, since it uses less digits than its factorization.

3256680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898 (or 3894 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 3256680 is about 1804.6273853624. The cubic root of 3256680 is about 148.2262184505.

The spelling of 3256680 in words is "three million, two hundred fifty-six thousand, six hundred eighty".