2087566 has 16 divisors (see below), whose sum is σ = 3571344. Its totient is φ = 906624.

The previous prime is 2087563. The next prime is 2087593. The reversal of 2087566 is 6657802.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2087563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920 + ... + 2803.

It is an arithmetic number, because the mean of its divisors is an integer number (223209).

2^2087566 is an apocalyptic number.

2087566 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2087566 is a deficient number, since it is larger than the sum of its proper divisors (1483778).

2087566 is a wasteful number, since it uses less digits than its factorization.

2087566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 2087566 is about 1444.8411677413. The cubic root of 2087566 is about 127.8046744192.

The spelling of 2087566 in words is "two million, eighty-seven thousand, five hundred sixty-six".