806749671 has 96 divisors (see below), whose sum is σ = 1503048960. Its totient is φ = 379137024.

The previous prime is 806749649. The next prime is 806749693. The reversal of 806749671 is 176947608.

It is an interprime number because it is at equal distance from previous prime (806749649) and next prime (806749693).

It is not a de Polignac number, because 806749671 - 2⁵ = 806749639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 806749671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806749621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 616600 + ... + 617906.

It is an arithmetic number, because the mean of its divisors is an integer number (15656760).

Almost surely, 2^806749671 is an apocalyptic number.

806749671 is a deficient number, since it is larger than the sum of its proper divisors (696299289).

806749671 is a wasteful number, since it uses less digits than its factorization.

806749671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1373 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 806749671 is about 28403.3390818756. The cubic root of 806749671 is about 930.9212249853.

The spelling of 806749671 in words is "eight hundred six million, seven hundred forty-nine thousand, six hundred seventy-one".