2660858 has 8 divisors (see below), whose sum is σ = 4076352. Its totient is φ = 1302076.

The previous prime is 2660849. The next prime is 2660863. The reversal of 2660858 is 8580662.

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

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, 14060 + ... + 14247.

It is an arithmetic number, because the mean of its divisors is an integer number (509544).

2^2660858 is an apocalyptic number.

2660858 is a deficient number, since it is larger than the sum of its proper divisors (1415494).

2660858 is a wasteful number, since it uses less digits than its factorization.

2660858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28356.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 2660858 is about 1631.2136585990. The cubic root of 2660858 is about 138.5714940609.

The spelling of 2660858 in words is "two million, six hundred sixty thousand, eight hundred fifty-eight".