805690552 has 16 divisors (see below), whose sum is σ = 1576351440. Its totient is φ = 385330176.

The previous prime is 805690547. The next prime is 805690603. The reversal of 805690552 is 255096508.

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 3 ways as a sum of consecutive naturals, for example, 2189193 + ... + 2189560.

It is an arithmetic number, because the mean of its divisors is an integer number (98521965).

Almost surely, 2^805690552 is an apocalyptic number.

It is an amenable number.

805690552 is a deficient number, since it is larger than the sum of its proper divisors (770660888).

805690552 is a wasteful number, since it uses less digits than its factorization.

805690552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4378782 (or 4378778 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The square root of 805690552 is about 28384.6886895030. The cubic root of 805690552 is about 930.5136685197.

The spelling of 805690552 in words is "eight hundred five million, six hundred ninety thousand, five hundred fifty-two".