3390816 has 144 divisors (see below), whose sum is σ = 11067840. Its totient is φ = 898560.

The previous prime is 3390809. The next prime is 3390839. The reversal of 3390816 is 6180933.

It is a super-2 number, since 2×3390816² = 22995266291712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178455 + ... + 178473.

It is an arithmetic number, because the mean of its divisors is an integer number (76860).

Almost surely, 2^3390816 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 3390816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5533920).

3390816 is an abundant number, since it is smaller than the sum of its proper divisors (7677024).

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

3390816 is a wasteful number, since it uses less digits than its factorization.

3390816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 3390816 is about 1841.4168458011. The cubic root of 3390816 is about 150.2339460497.

The spelling of 3390816 in words is "three million, three hundred ninety thousand, eight hundred sixteen".