3086720 has 128 divisors (see below), whose sum is σ = 9253440. Its totient is φ = 958464.

The previous prime is 3086717. The next prime is 3086729. The reversal of 3086720 is 276803.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3086720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3086729) 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, 58214 + ... + 58266.

Almost surely, 2^3086720 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 3086720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4626720).

3086720 is an abundant number, since it is smaller than the sum of its proper divisors (6166720).

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

3086720 is a wasteful number, since it uses less digits than its factorization.

3086720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 3086720 is about 1756.9063720073. The cubic root of 3086720 is about 145.6014651867.

The spelling of 3086720 in words is "three million, eighty-six thousand, seven hundred twenty".