703985 has 4 divisors (see below), whose sum is σ = 844788. Its totient is φ = 563184.

The previous prime is 703981. The next prime is 703991. The reversal of 703985 is 589307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 589307 = 53 ⋅11119.

It can be written as a sum of positive squares in 2 ways, for example, as 247009 + 456976 = 497^2 + 676^2 .

It is a cyclic number.

It is not a de Polignac number, because 703985 - 2² = 703981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 703985.

It is not an unprimeable number, because it can be changed into a prime (703981) 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, 70394 + ... + 70403.

It is an arithmetic number, because the mean of its divisors is an integer number (211197).

2⁷⁰³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

703985 is a deficient number, since it is larger than the sum of its proper divisors (140803).

703985 is a wasteful number, since it uses less digits than its factorization.

703985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140802.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 703985 is about 839.0381397767. The cubic root of 703985 is about 88.9585718058.

The spelling of 703985 in words is "seven hundred three thousand, nine hundred eighty-five".