2081310 has 128 divisors (see below), whose sum is σ = 6718464. Its totient is φ = 399360.

The previous prime is 2081297. The next prime is 2081311. The reversal of 2081310 is 131802.

It is a happy number.

It is a super-2 number, since 2×2081310² = 8663702632200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2081310.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 39244 + ... + 39296.

It is an arithmetic number, because the mean of its divisors is an integer number (52488).

2^2081310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2081310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3359232).

2081310 is an abundant number, since it is smaller than the sum of its proper divisors (4637154).

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

2081310 is a wasteful number, since it uses less digits than its factorization.

2081310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2081310 is about 1442.6745994853. The cubic root of 2081310 is about 127.6768786886.

The spelling of 2081310 in words is "two million, eighty-one thousand, three hundred ten".