755489 has 4 divisors (see below), whose sum is σ = 863424. Its totient is φ = 647556.

The previous prime is 755483. The next prime is 755509. The reversal of 755489 is 984557.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 755489 - 2⁴ = 755473 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (755483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53957 + ... + 53970.

It is an arithmetic number, because the mean of its divisors is an integer number (215856).

2⁷⁵⁵⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

755489 is a deficient number, since it is larger than the sum of its proper divisors (107935).

755489 is a wasteful number, since it uses less digits than its factorization.

755489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107934.

The product of its digits is 50400, while the sum is 38.

The square root of 755489 is about 869.1887021815. The cubic root of 755489 is about 91.0771394379.

It can be divided in two parts, 75548 and 9, that added together give a palindrome (75557).

The spelling of 755489 in words is "seven hundred fifty-five thousand, four hundred eighty-nine".