2540086 has 8 divisors (see below), whose sum is σ = 3837960. Its totient is φ = 1260768.

The previous prime is 2540071. The next prime is 2540093. The reversal of 2540086 is 6800452.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2540086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4291 + ... + 4846.

It is an arithmetic number, because the mean of its divisors is an integer number (479745).

2^2540086 is an apocalyptic number.

2540086 is a deficient number, since it is larger than the sum of its proper divisors (1297874).

2540086 is a wasteful number, since it uses less digits than its factorization.

2540086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2540086 is about 1593.7647254222. The cubic root of 2540086 is about 136.4424388430.

The spelling of 2540086 in words is "two million, five hundred forty thousand, eighty-six".