7023985 has 4 divisors (see below), whose sum is σ = 8428788. Its totient is φ = 5619184.

The previous prime is 7023983. The next prime is 7024021. The reversal of 7023985 is 5893207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5893207 = 1327 ⋅4441.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 6155361 = 932^2 + 2481^2 .

It is a cyclic number.

It is not a de Polignac number, because 7023985 - 2¹ = 7023983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7023985.

It is not an unprimeable number, because it can be changed into a prime (7023983) 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 3 ways as a sum of consecutive naturals, for example, 702394 + ... + 702403.

It is an arithmetic number, because the mean of its divisors is an integer number (2107197).

Almost surely, 2^7023985 is an apocalyptic number.

It is an amenable number.

7023985 is a deficient number, since it is larger than the sum of its proper divisors (1404803).

7023985 is a wasteful number, since it uses less digits than its factorization.

7023985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404802.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 7023985 is about 2650.2801738684. The cubic root of 7023985 is about 191.5113532798.

It can be divided in two parts, 7023 and 985, that added together give a palindrome (8008).

The spelling of 7023985 in words is "seven million, twenty-three thousand, nine hundred eighty-five".