830408917 has 8 divisors (see below), whose sum is σ = 902645856. Its totient is φ = 759366192.

The previous prime is 830408867. The next prime is 830408959. The reversal of 830408917 is 719804038.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 830408917 - 2¹¹ = 830406869 is a prime.

It is a super-2 number, since 2×830408917² = 1379157938866225778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 830408917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (830408987) 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, 297103 + ... + 299884.

It is an arithmetic number, because the mean of its divisors is an integer number (112830732).

Almost surely, 2^830408917 is an apocalyptic number.

It is an amenable number.

830408917 is a deficient number, since it is larger than the sum of its proper divisors (72236939).

830408917 is a wasteful number, since it uses less digits than its factorization.

830408917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597107.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 830408917 is about 28816.8165660262. The cubic root of 830408917 is about 939.9339462413.

The spelling of 830408917 in words is "eight hundred thirty million, four hundred eight thousand, nine hundred seventeen".