2086506 has 16 divisors (see below), whose sum is σ = 4636800. Its totient is φ = 695484.

The previous prime is 2086501. The next prime is 2086507. The reversal of 2086506 is 6056802.

2086506 is a `hidden beast` number, since 2 + 0 + 8 + 650 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 2086506.

It is not an unprimeable number, because it can be changed into a prime (2086501) 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, 19266 + ... + 19373.

It is an arithmetic number, because the mean of its divisors is an integer number (289800).

2^2086506 is an apocalyptic number.

2086506 is an abundant number, since it is smaller than the sum of its proper divisors (2550294).

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

2086506 is a wasteful number, since it uses less digits than its factorization.

2086506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38650 (or 38644 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 2086506 is about 1444.4742988368. The cubic root of 2086506 is about 127.7830390328.

The spelling of 2086506 in words is "two million, eighty-six thousand, five hundred six".