2659858 has 16 divisors (see below), whose sum is σ = 4245696. Its totient is φ = 1246960.

The previous prime is 2659849. The next prime is 2659859. The reversal of 2659858 is 8589562.

It is not an unprimeable number, because it can be changed into a prime (2659859) 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, 1893 + ... + 2983.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

2^2659858 is an apocalyptic number.

2659858 is a deficient number, since it is larger than the sum of its proper divisors (1585838).

2659858 is a wasteful number, since it uses less digits than its factorization.

2659858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its digits is 172800, while the sum is 43.

The square root of 2659858 is about 1630.9071095559. The cubic root of 2659858 is about 138.5541326362.

The spelling of 2659858 in words is "two million, six hundred fifty-nine thousand, eight hundred fifty-eight".