806467990 has 16 divisors (see below), whose sum is σ = 1452245760. Its totient is φ = 322453120.

The previous prime is 806467973. The next prime is 806467993. The reversal of 806467990 is 99764608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806467993) 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 7 ways as a sum of consecutive naturals, for example, 10635 + ... + 41545.

It is an arithmetic number, because the mean of its divisors is an integer number (90765360).

Almost surely, 2^806467990 is an apocalyptic number.

806467990 is a deficient number, since it is larger than the sum of its proper divisors (645777770).

806467990 is a wasteful number, since it uses less digits than its factorization.

806467990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33527.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 806467990 is about 28398.3800594330. The cubic root of 806467990 is about 930.8128669838.

The spelling of 806467990 in words is "eight hundred six million, four hundred sixty-seven thousand, nine hundred ninety".