834806407 has 4 divisors (see below), whose sum is σ = 838270576. Its totient is φ = 831342240.

The previous prime is 834806387. The next prime is 834806473. The reversal of 834806407 is 704608438.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 834806407 - 2⁷ = 834806279 is a prime.

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 834806407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (834806507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1731723 + ... + 1732204.

It is an arithmetic number, because the mean of its divisors is an integer number (209567644).

Almost surely, 2^834806407 is an apocalyptic number.

834806407 is a deficient number, since it is larger than the sum of its proper divisors (3464169).

834806407 is a wasteful number, since it uses less digits than its factorization.

834806407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464168.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 834806407 is about 28893.0165784052. The cubic root of 834806407 is about 941.5901886393.

The spelling of 834806407 in words is "eight hundred thirty-four million, eight hundred six thousand, four hundred seven".