2520786 has 16 divisors (see below), whose sum is σ = 5137344. Its totient is φ = 824304.

The previous prime is 2520781. The next prime is 2520797. The reversal of 2520786 is 6870252.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2520781) 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, 3646 + ... + 4281.

It is an arithmetic number, because the mean of its divisors is an integer number (321084).

2^2520786 is an apocalyptic number.

2520786 is an abundant number, since it is smaller than the sum of its proper divisors (2616558).

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

2520786 is a wasteful number, since it uses less digits than its factorization.

2520786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 2520786 is about 1587.6983340673. The cubic root of 2520786 is about 136.0959890399.

The spelling of 2520786 in words is "two million, five hundred twenty thousand, seven hundred eighty-six".