2855618 has 4 divisors (see below), whose sum is σ = 4283430. Its totient is φ = 1427808.

The previous prime is 2855617. The next prime is 2855653. The reversal of 2855618 is 8165582.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2778889 + 76729 = 1667^2 + 277^2 .

It is not an unprimeable number, because it can be changed into a prime (2855617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713903 + ... + 713906.

2^2855618 is an apocalyptic number.

2855618 is a deficient number, since it is larger than the sum of its proper divisors (1427812).

2855618 is a wasteful number, since it uses less digits than its factorization.

2855618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427811.

The product of its digits is 19200, while the sum is 35.

The square root of 2855618 is about 1689.8573904327. The cubic root of 2855618 is about 141.8730929900.

The spelling of 2855618 in words is "two million, eight hundred fifty-five thousand, six hundred eighteen".