5418985 has 36 divisors (see below), whose sum is σ = 7885836. Its totient is φ = 3569280.

The previous prime is 5418977. The next prime is 5418991. The reversal of 5418985 is 5898145.

It can be written as a sum of positive squares in 6 ways, for example, as 627264 + 4791721 = 792^2 + 2189^2 .

It is not a de Polignac number, because 5418985 - 2³ = 5418977 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 102219 + ... + 102271.

It is an arithmetic number, because the mean of its divisors is an integer number (219051).

Almost surely, 2^5418985 is an apocalyptic number.

5418985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5418985 is a deficient number, since it is larger than the sum of its proper divisors (2466851).

5418985 is a wasteful number, since it uses less digits than its factorization.

5418985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 82 counting only the distinct ones).

The product of its digits is 57600, while the sum is 40.

The square root of 5418985 is about 2327.8713452423. The cubic root of 5418985 is about 175.6464255806.

The spelling of 5418985 in words is "five million, four hundred eighteen thousand, nine hundred eighty-five".