508740947 has 16 divisors (see below), whose sum is σ = 604896768. Its totient is φ = 421762080.

The previous prime is 508740931. The next prime is 508740949. The reversal of 508740947 is 749047805.

It is a cyclic number.

It is not a de Polignac number, because 508740947 - 2⁴ = 508740931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 508740898 and 508740907.

It is not an unprimeable number, because it can be changed into a prime (508740949) 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, 9563 + ... + 33300.

It is an arithmetic number, because the mean of its divisors is an integer number (37806048).

Almost surely, 2^508740947 is an apocalyptic number.

508740947 is a deficient number, since it is larger than the sum of its proper divisors (96155821).

508740947 is a wasteful number, since it uses less digits than its factorization.

508740947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42970.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 508740947 is about 22555.2864535124. The cubic root of 508740947 is about 798.2989622141.

The spelling of 508740947 in words is "five hundred eight million, seven hundred forty thousand, nine hundred forty-seven".