2506386 has 8 divisors (see below), whose sum is σ = 5012784. Its totient is φ = 835460.

The previous prime is 2506373. The next prime is 2506391. The reversal of 2506386 is 6836052.

2506386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

2506386 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208860 + ... + 208871.

It is an arithmetic number, because the mean of its divisors is an integer number (626598).

2^2506386 is an apocalyptic number.

2506386 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2506386 is a wasteful number, since it uses less digits than its factorization.

2506386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417736.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2506386 is about 1583.1569726341. The cubic root of 2506386 is about 135.8363443781.

The spelling of 2506386 in words is "two million, five hundred six thousand, three hundred eighty-six".