753985 has 4 divisors (see below), whose sum is σ = 904788. Its totient is φ = 603184.

The previous prime is 753983. The next prime is 754003. The reversal of 753985 is 589357.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 194481 + 559504 = 441^2 + 748^2 .

It is a cyclic number.

It is not a de Polignac number, because 753985 - 2¹ = 753983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (753983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75394 + ... + 75403.

It is an arithmetic number, because the mean of its divisors is an integer number (226197).

2⁷⁵³⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

753985 is a deficient number, since it is larger than the sum of its proper divisors (150803).

753985 is a wasteful number, since it uses less digits than its factorization.

753985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150802.

The product of its digits is 37800, while the sum is 37.

The square root of 753985 is about 868.3230965487. The cubic root of 753985 is about 91.0166616032.

The spelling of 753985 in words is "seven hundred fifty-three thousand, nine hundred eighty-five".