506989383 has 4 divisors (see below), whose sum is σ = 675985848. Its totient is φ = 337992920.

The previous prime is 506989363. The next prime is 506989421. The reversal of 506989383 is 383989605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506989383 - 2⁶ = 506989319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506989333) 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, 84498228 + ... + 84498233.

It is an arithmetic number, because the mean of its divisors is an integer number (168996462).

Almost surely, 2^506989383 is an apocalyptic number.

506989383 is a deficient number, since it is larger than the sum of its proper divisors (168996465).

506989383 is a wasteful number, since it uses less digits than its factorization.

506989383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168996464.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 506989383 is about 22516.4247383993. The cubic root of 506989383 is about 797.3817439130.

The spelling of 506989383 in words is "five hundred six million, nine hundred eighty-nine thousand, three hundred eighty-three".