2506658 has 32 divisors (see below), whose sum is σ = 4814208. Its totient is φ = 950400.

The previous prime is 2506657. The next prime is 2506661. The reversal of 2506658 is 8566052.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2506657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6116 + ... + 6512.

It is an arithmetic number, because the mean of its divisors is an integer number (150444).

2^2506658 is an apocalyptic number.

2506658 is a deficient number, since it is larger than the sum of its proper divisors (2307550).

2506658 is a wasteful number, since it uses less digits than its factorization.

2506658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2506658 is about 1583.2428746089. The cubic root of 2506658 is about 135.8412579800.

The spelling of 2506658 in words is "two million, five hundred six thousand, six hundred fifty-eight".