830665406 has 8 divisors (see below), whose sum is σ = 1250596704. Its totient is φ = 413799840.

The previous prime is 830665399. The next prime is 830665457. The reversal of 830665406 is 604566038.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 830665406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765755 + ... + 766838.

It is an arithmetic number, because the mean of its divisors is an integer number (156324588).

Almost surely, 2^830665406 is an apocalyptic number.

830665406 is a deficient number, since it is larger than the sum of its proper divisors (419931298).

830665406 is a wasteful number, since it uses less digits than its factorization.

830665406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1532866.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 830665406 is about 28821.2665578735. The cubic root of 830665406 is about 940.0307089711.

The spelling of 830665406 in words is "eight hundred thirty million, six hundred sixty-five thousand, four hundred six".