806428508 has 24 divisors (see below), whose sum is σ = 1466053344. Its totient is φ = 387833600.

The previous prime is 806428487. The next prime is 806428517. The reversal of 806428508 is 805824608.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22985 + ... + 46272.

It is an arithmetic number, because the mean of its divisors is an integer number (61085556).

Almost surely, 2^806428508 is an apocalyptic number.

It is an amenable number.

806428508 is a deficient number, since it is larger than the sum of its proper divisors (659624836).

806428508 is a wasteful number, since it uses less digits than its factorization.

806428508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69373 (or 69371 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 806428508 is about 28397.6849056398. The cubic root of 806428508 is about 930.7976768982.

The spelling of 806428508 in words is "eight hundred six million, four hundred twenty-eight thousand, five hundred eight".