505739396 has 12 divisors (see below), whose sum is σ = 889492800. Its totient is φ = 251598600.

The previous prime is 505739393. The next prime is 505739413. The reversal of 505739396 is 693937505.

It is a self number, because there is not a number n which added to its sum of digits gives 505739396.

It is not an unprimeable number, because it can be changed into a prime (505739393) 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, 316880 + ... + 318471.

It is an arithmetic number, because the mean of its divisors is an integer number (74124400).

Almost surely, 2^505739396 is an apocalyptic number.

It is an amenable number.

505739396 is a deficient number, since it is larger than the sum of its proper divisors (383753404).

505739396 is a wasteful number, since it uses less digits than its factorization.

505739396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635554 (or 635552 counting only the distinct ones).

The product of its (nonzero) digits is 765450, while the sum is 47.

The square root of 505739396 is about 22488.6503819149. The cubic root of 505739396 is about 796.7258872624.

The spelling of 505739396 in words is "five hundred five million, seven hundred thirty-nine thousand, three hundred ninety-six".