806346840 has 128 divisors (see below), whose sum is σ = 2613643200. Its totient is φ = 197836800.

The previous prime is 806346817. The next prime is 806346851. The reversal of 806346840 is 48643608.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624916 + ... + 626204.

Almost surely, 2^806346840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806346840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1306821600).

806346840 is an abundant number, since it is smaller than the sum of its proper divisors (1807296360).

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

806346840 is a wasteful number, since it uses less digits than its factorization.

806346840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1717 (or 1713 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 806346840 is about 28396.2469351145. The cubic root of 806346840 is about 930.7662548316.

The spelling of 806346840 in words is "eight hundred six million, three hundred forty-six thousand, eight hundred forty".