2855018 has 4 divisors (see below), whose sum is σ = 4282530. Its totient is φ = 1427508.

The previous prime is 2855009. The next prime is 2855023. The reversal of 2855018 is 8105582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8105582 = 2 ⋅4052791.

It can be written as a sum of positive squares in only one way, i.e., 2474329 + 380689 = 1573^2 + 617^2 .

It is a super-2 number, since 2×2855018² = 16302255560648, which contains 22 as substring.

It is an Ulam number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713753 + ... + 713756.

2^2855018 is an apocalyptic number.

2855018 is a deficient number, since it is larger than the sum of its proper divisors (1427512).

2855018 is a wasteful number, since it uses less digits than its factorization.

2855018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427511.

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 2855018 is about 1689.6798513328. The cubic root of 2855018 is about 141.8631558744.

The spelling of 2855018 in words is "two million, eight hundred fifty-five thousand, eighteen".