806735421 has 12 divisors (see below), whose sum is σ = 1226615520. Its totient is φ = 509517000.

The previous prime is 806735389. The next prime is 806735443. The reversal of 806735421 is 124537608.

806735421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 806735421 - 2⁵ = 806735389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806735621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2358705 + ... + 2359046.

It is an arithmetic number, because the mean of its divisors is an integer number (102217960).

Almost surely, 2^806735421 is an apocalyptic number.

It is an amenable number.

806735421 is a deficient number, since it is larger than the sum of its proper divisors (419880099).

806735421 is a wasteful number, since it uses less digits than its factorization.

806735421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4717776 (or 4717773 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 806735421 is about 28403.0882299795. The cubic root of 806735421 is about 930.9157438528.

The spelling of 806735421 in words is "eight hundred six million, seven hundred thirty-five thousand, four hundred twenty-one".