5918985 has 24 divisors (see below), whose sum is σ = 10593024. Its totient is φ = 3054240.

The previous prime is 5918977. The next prime is 5918999. The reversal of 5918985 is 5898195.

It is not a de Polignac number, because 5918985 - 2³ = 5918977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5918985.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 727 + ... + 3516.

It is an arithmetic number, because the mean of its divisors is an integer number (441376).

Almost surely, 2^5918985 is an apocalyptic number.

It is an amenable number.

5918985 is a deficient number, since it is larger than the sum of its proper divisors (4674039).

5918985 is a wasteful number, since it uses less digits than its factorization.

5918985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4285 (or 4282 counting only the distinct ones).

The product of its digits is 129600, while the sum is 45.

The square root of 5918985 is about 2432.8964219629. The cubic root of 5918985 is about 180.8904946937.

It can be divided in two parts, 5918 and 985, that added together give a triangular number (6903 = T₁₁₇).

The spelling of 5918985 in words is "five million, nine hundred eighteen thousand, nine hundred eighty-five".