383728953 has 8 divisors (see below), whose sum is σ = 518647648. Its totient is φ = 252314784.

The previous prime is 383728927. The next prime is 383728967. The reversal of 383728953 is 359827383.

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

It is not a de Polignac number, because 383728953 - 2⁶ = 383728889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (383728453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 875875 + ... + 876312.

It is an arithmetic number, because the mean of its divisors is an integer number (64830956).

Almost surely, 2^383728953 is an apocalyptic number.

It is an amenable number.

383728953 is a deficient number, since it is larger than the sum of its proper divisors (134918695).

383728953 is a wasteful number, since it uses less digits than its factorization.

383728953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752263.

The product of its digits is 1088640, while the sum is 48.

The square root of 383728953 is about 19589.0008167849. Note that the first 3 decimals coincide. The cubic root of 383728953 is about 726.6771812252.

The spelling of 383728953 in words is "three hundred eighty-three million, seven hundred twenty-eight thousand, nine hundred fifty-three".