508369394 has 32 divisors (see below), whose sum is σ = 871320240. Its totient is φ = 220372992.

The previous prime is 508369321. The next prime is 508369399. The reversal of 508369394 is 493963805.

It can be written as a sum of positive squares in 8 ways, for example, as 108889225 + 399480169 = 10435^2 + 19987^2 .

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (508369399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296612 + ... + 298320.

Almost surely, 2^508369394 is an apocalyptic number.

508369394 is a deficient number, since it is larger than the sum of its proper divisors (362950846).

508369394 is a wasteful number, since it uses less digits than its factorization.

508369394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 508369394 is about 22547.0484542878. The cubic root of 508369394 is about 798.1045721131.

The spelling of 508369394 in words is "five hundred eight million, three hundred sixty-nine thousand, three hundred ninety-four".