7230985 has 4 divisors (see below), whose sum is σ = 8677188. Its totient is φ = 5784784.

The previous prime is 7230961. The next prime is 7230991. The reversal of 7230985 is 5890327.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5890327 = 1831 ⋅3217.

It can be written as a sum of positive squares in 2 ways, for example, as 4721929 + 2509056 = 2173^2 + 1584^2 .

It is a cyclic number.

It is not a de Polignac number, because 7230985 - 2⁷ = 7230857 is a prime.

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

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 7230985.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 723094 + ... + 723103.

It is an arithmetic number, because the mean of its divisors is an integer number (2169297).

Almost surely, 2^7230985 is an apocalyptic number.

It is an amenable number.

7230985 is a deficient number, since it is larger than the sum of its proper divisors (1446203).

7230985 is a wasteful number, since it uses less digits than its factorization.

7230985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1446202.

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

The square root of 7230985 is about 2689.0490884326. The cubic root of 7230985 is about 193.3744776351.

The spelling of 7230985 in words is "seven million, two hundred thirty thousand, nine hundred eighty-five".