5423985 has 48 divisors (see below), whose sum is σ = 10947456. Its totient is φ = 2433024.

The previous prime is 5423983. The next prime is 5423989. The reversal of 5423985 is 5893245.

5423985 is a `hidden beast` number, since 542 + 39 + 85 = 666.

It is not a de Polignac number, because 5423985 - 2¹ = 5423983 is a prime.

It is a super-2 number, since 2×5423985² = 58839226560450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5423981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20977 + ... + 21233.

It is an arithmetic number, because the mean of its divisors is an integer number (228072).

Almost surely, 2^5423985 is an apocalyptic number.

It is an amenable number.

5423985 is an abundant number, since it is smaller than the sum of its proper divisors (5523471).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5423985 is a wasteful number, since it uses less digits than its factorization.

5423985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 339 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 5423985 is about 2328.9450401416. The cubic root of 5423985 is about 175.7004309067.

The spelling of 5423985 in words is "five million, four hundred twenty-three thousand, nine hundred eighty-five".