3256645 has 8 divisors (see below), whose sum is σ = 4466304. Its totient is φ = 2233104.

The previous prime is 3256637. The next prime is 3256681. The reversal of 3256645 is 5466523.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3256645 - 2³ = 3256637 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 46489 + ... + 46558.

It is an arithmetic number, because the mean of its divisors is an integer number (558288).

Almost surely, 2^3256645 is an apocalyptic number.

3256645 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3256645 is a deficient number, since it is larger than the sum of its proper divisors (1209659).

3256645 is an equidigital number, since it uses as much as digits as its factorization.

3256645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93059.

The product of its digits is 21600, while the sum is 31.

The square root of 3256645 is about 1804.6176880436. The cubic root of 3256645 is about 148.2256874459.

The spelling of 3256645 in words is "three million, two hundred fifty-six thousand, six hundred forty-five".