3090816 has 48 divisors (see below), whose sum is σ = 8897460. Its totient is φ = 1029888.

The previous prime is 3090781. The next prime is 3090817. The reversal of 3090816 is 6180903.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3090816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3090817) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190 + ... + 2493.

Almost surely, 2^3090816 is an apocalyptic number.

3090816 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3090816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4448730).

3090816 is an abundant number, since it is smaller than the sum of its proper divisors (5806644).

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

3090816 is a wasteful number, since it uses less digits than its factorization.

3090816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2703 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 3090816 is about 1758.0716708940. The cubic root of 3090816 is about 145.6658398844.

The spelling of 3090816 in words is "three million, ninety thousand, eight hundred sixteen".