506042399 has 8 divisors (see below), whose sum is σ = 512533632. Its totient is φ = 499581720.

The previous prime is 506042393. The next prime is 506042413. The reversal of 506042399 is 993240605.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506042399 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 (506042393) 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, 26672 + ... + 41514.

It is an arithmetic number, because the mean of its divisors is an integer number (64066704).

Almost surely, 2^506042399 is an apocalyptic number.

506042399 is a deficient number, since it is larger than the sum of its proper divisors (6491233).

506042399 is a wasteful number, since it uses less digits than its factorization.

506042399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15277.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 506042399 is about 22495.3861713908. The cubic root of 506042399 is about 796.8849692850.

The spelling of 506042399 in words is "five hundred six million, forty-two thousand, three hundred ninety-nine".