806126520 has 64 divisors (see below), whose sum is σ = 2421601920. Its totient is φ = 214680704.

The previous prime is 806126473. The next prime is 806126533. The reversal of 806126520 is 25621608.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95179 + ... + 103301.

It is an arithmetic number, because the mean of its divisors is an integer number (37837530).

Almost surely, 2^806126520 is an apocalyptic number.

It is an amenable number.

806126520 is an abundant number, since it is smaller than the sum of its proper divisors (1615475400).

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

806126520 is a wasteful number, since it uses less digits than its factorization.

806126520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8964 (or 8960 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 806126520 is about 28392.3672841840. The cubic root of 806126520 is about 930.6814753087.

The spelling of 806126520 in words is "eight hundred six million, one hundred twenty-six thousand, five hundred twenty".