806492646 has 48 divisors (see below), whose sum is σ = 1831420080. Its totient is φ = 263072160.

The previous prime is 806492633. The next prime is 806492669. The reversal of 806492646 is 646294608.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115906 + ... + 122666.

It is an arithmetic number, because the mean of its divisors is an integer number (38154585).

Almost surely, 2^806492646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806492646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (915710040).

806492646 is an abundant number, since it is smaller than the sum of its proper divisors (1024927434).

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

806492646 is a wasteful number, since it uses less digits than its factorization.

806492646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6866 (or 6813 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The square root of 806492646 is about 28398.8141653837. The cubic root of 806492646 is about 930.8223527449.

The spelling of 806492646 in words is "eight hundred six million, four hundred ninety-two thousand, six hundred forty-six".