753489381 has 8 divisors (see below), whose sum is σ = 1007040544. Its totient is φ = 501132240.

The previous prime is 753489377. The next prime is 753489389. The reversal of 753489381 is 183984357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 753489381 - 2² = 753489377 is a prime.

It is a super-2 number, since 2×753489381² = 1135492494559526322, which contains 22 as substring.

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 753489381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (753489389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297031 + ... + 299556.

It is an arithmetic number, because the mean of its divisors is an integer number (125880068).

Almost surely, 2^753489381 is an apocalyptic number.

It is an amenable number.

753489381 is a deficient number, since it is larger than the sum of its proper divisors (253551163).

753489381 is a wasteful number, since it uses less digits than its factorization.

753489381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597011.

The product of its digits is 725760, while the sum is 48.

The square root of 753489381 is about 27449.7610372112. The cubic root of 753489381 is about 909.9671448912.

The spelling of 753489381 in words is "seven hundred fifty-three million, four hundred eighty-nine thousand, three hundred eighty-one".