2018955 has 8 divisors (see below), whose sum is σ = 3230352. Its totient is φ = 1076768.

The previous prime is 2018953. The next prime is 2018957. The reversal of 2018955 is 5598102.

It is an interprime number because it is at equal distance from previous prime (2018953) and next prime (2018957).

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

It is a cyclic number.

It is not a de Polignac number, because 2018955 - 2¹ = 2018953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2018953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67284 + ... + 67313.

It is an arithmetic number, because the mean of its divisors is an integer number (403794).

2^2018955 is an apocalyptic number.

2018955 is a deficient number, since it is larger than the sum of its proper divisors (1211397).

2018955 is a wasteful number, since it uses less digits than its factorization.

2018955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134605.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 2018955 is about 1420.8993630796. The cubic root of 2018955 is about 126.3888841838.

The spelling of 2018955 in words is "two million, eighteen thousand, nine hundred fifty-five".