383488513 has 4 divisors (see below), whose sum is σ = 383604480. Its totient is φ = 383372548.

The previous prime is 383488481. The next prime is 383488519. The reversal of 383488513 is 315884383.

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, and also an emirpimes, since its reverse is a distinct semiprime: 315884383 = 163 ⋅1937941.

It is a cyclic number.

It is not a de Polignac number, because 383488513 - 2⁵ = 383488481 is a prime.

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 383488513.

It is not an unprimeable number, because it can be changed into a prime (383488519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52873 + ... + 59686.

It is an arithmetic number, because the mean of its divisors is an integer number (95901120).

Almost surely, 2^383488513 is an apocalyptic number.

It is an amenable number.

383488513 is a deficient number, since it is larger than the sum of its proper divisors (115967).

383488513 is a wasteful number, since it uses less digits than its factorization.

383488513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115966.

The product of its digits is 276480, while the sum is 43.

The square root of 383488513 is about 19582.8627376081. The cubic root of 383488513 is about 726.5253737530.

The spelling of 383488513 in words is "three hundred eighty-three million, four hundred eighty-eight thousand, five hundred thirteen".