3315978 has 24 divisors (see below), whose sum is σ = 7451808. Its totient is φ = 1105164.

The previous prime is 3315971. The next prime is 3315989. The reversal of 3315978 is 8795133.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3315971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2926 + ... + 3897.

It is an arithmetic number, because the mean of its divisors is an integer number (310492).

Almost surely, 2^3315978 is an apocalyptic number.

3315978 is an abundant number, since it is smaller than the sum of its proper divisors (4135830).

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

3315978 is an equidigital number, since it uses as much as digits as its factorization.

3315978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840 (or 6828 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 3315978 is about 1820.9827017300. The cubic root of 3315978 is about 149.1204527242.

The spelling of 3315978 in words is "three million, three hundred fifteen thousand, nine hundred seventy-eight".