2518906 has 16 divisors (see below), whose sum is σ = 4284000. Its totient is φ = 1101168.

The previous prime is 2518903. The next prime is 2518913. The reversal of 2518906 is 6098152.

It is not an unprimeable number, because it can be changed into a prime (2518903) 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, 2056 + ... + 3043.

It is an arithmetic number, because the mean of its divisors is an integer number (267750).

2^2518906 is an apocalyptic number.

2518906 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2518906 is a deficient number, since it is larger than the sum of its proper divisors (1765094).

2518906 is a wasteful number, since it uses less digits than its factorization.

2518906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5133.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 2518906 is about 1587.1061716218. The cubic root of 2518906 is about 136.0621472021.

The spelling of 2518906 in words is "two million, five hundred eighteen thousand, nine hundred six".