517217934 has 16 divisors (see below), whose sum is σ = 1034929872. Its totient is φ = 172323648.

The previous prime is 517217933. The next prime is 517217941. The reversal of 517217934 is 439712715.

It is a junction number, because it is equal to n+sod(n) for n = 517217892 and 517217901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517217933) 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, 6199 + ... + 32754.

It is an arithmetic number, because the mean of its divisors is an integer number (64683117).

Almost surely, 2^517217934 is an apocalyptic number.

517217934 is an abundant number, since it is smaller than the sum of its proper divisors (517711938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

517217934 is a wasteful number, since it uses less digits than its factorization.

517217934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41171.

The product of its digits is 52920, while the sum is 39.

The square root of 517217934 is about 22742.4258600528. The cubic root of 517217934 is about 802.7084936872.

The spelling of 517217934 in words is "five hundred seventeen million, two hundred seventeen thousand, nine hundred thirty-four".