2706990 has 64 divisors (see below), whose sum is σ = 7644672. Its totient is φ = 604800.

The previous prime is 2706989. The next prime is 2707007. The reversal of 2706990 is 996072.

2706990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3975 + ... + 4605.

It is an arithmetic number, because the mean of its divisors is an integer number (119448).

2^2706990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2706990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3822336).

2706990 is an abundant number, since it is smaller than the sum of its proper divisors (4937682).

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

2706990 is a wasteful number, since it uses less digits than its factorization.

2706990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 2706990 is about 1645.2932869249. The cubic root of 2706990 is about 139.3677270364.

It can be divided in two parts, 270 and 6990, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 2706990 in words is "two million, seven hundred six thousand, nine hundred ninety".