755389 has 4 divisors (see below), whose sum is σ = 788256. Its totient is φ = 722524.

The previous prime is 755387. The next prime is 755393. The reversal of 755389 is 983557.

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 a cyclic number.

It is not a de Polignac number, because 755389 - 2¹ = 755387 is a prime.

It is a super-2 number, since 2×755389² = 1141225082642, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755387) 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, 16399 + ... + 16444.

It is an arithmetic number, because the mean of its divisors is an integer number (197064).

2⁷⁵⁵³⁸⁹ is an apocalyptic number.

It is an amenable number.

755389 is a deficient number, since it is larger than the sum of its proper divisors (32867).

755389 is a wasteful number, since it uses less digits than its factorization.

755389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32866.

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

The square root of 755389 is about 869.1311753700. The cubic root of 755389 is about 91.0731207975.

The spelling of 755389 in words is "seven hundred fifty-five thousand, three hundred eighty-nine".