517434690 has 16 divisors (see below), whose sum is σ = 1241843328. Its totient is φ = 137982576.

The previous prime is 517434683. The next prime is 517434727. The reversal of 517434690 is 96434715.

It is a super-2 number, since 2×517434690² = 535477316830792200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8623882 + ... + 8623941.

It is an arithmetic number, because the mean of its divisors is an integer number (77615208).

Almost surely, 2^517434690 is an apocalyptic number.

517434690 is an abundant number, since it is smaller than the sum of its proper divisors (724408638).

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

517434690 is a wasteful number, since it uses less digits than its factorization.

517434690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17247833.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 517434690 is about 22747.1908155711. The cubic root of 517434690 is about 802.8206112111.

The spelling of 517434690 in words is "five hundred seventeen million, four hundred thirty-four thousand, six hundred ninety".