505974383 has 8 divisors (see below), whose sum is σ = 544818960. Its totient is φ = 468138880.

The previous prime is 505974373. The next prime is 505974437. The reversal of 505974383 is 383479505.

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

It is a cyclic number.

It is not a de Polignac number, because 505974383 - 2⁶ = 505974319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505974323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251228 + ... + 253233.

It is an arithmetic number, because the mean of its divisors is an integer number (68102370).

Almost surely, 2^505974383 is an apocalyptic number.

505974383 is a deficient number, since it is larger than the sum of its proper divisors (38844577).

505974383 is a wasteful number, since it uses less digits than its factorization.

505974383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504537.

The product of its (nonzero) digits is 453600, while the sum is 44.

The square root of 505974383 is about 22493.8743439186. The cubic root of 505974383 is about 796.8492651907.

The spelling of 505974383 in words is "five hundred five million, nine hundred seventy-four thousand, three hundred eighty-three".