2086380 has 72 divisors (see below), whose sum is σ = 6460272. Its totient is φ = 544896.

The previous prime is 2086363. The next prime is 2086397. The reversal of 2086380 is 836802.

2086380 is a `hidden beast` number, since 20 + 8 + 638 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (2086363) and next prime (2086397).

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, 11974 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (89726).

2^2086380 is an apocalyptic number.

2086380 is a gapful number since it is divisible by the number (20) 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 2086380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3230136).

2086380 is an abundant number, since it is smaller than the sum of its proper divisors (4373892).

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

2086380 is a wasteful number, since it uses less digits than its factorization.

2086380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2086380 is about 1444.4306836951. The cubic root of 2086380 is about 127.7804667921.

The spelling of 2086380 in words is "two million, eighty-six thousand, three hundred eighty".