8405798 has 4 divisors (see below), whose sum is σ = 12608700. Its totient is φ = 4202898.

The previous prime is 8405777. The next prime is 8405807. The reversal of 8405798 is 8975048.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101448 + ... + 2101451.

It is an arithmetic number, because the mean of its divisors is an integer number (3152175).

Almost surely, 2^8405798 is an apocalyptic number.

8405798 is a deficient number, since it is larger than the sum of its proper divisors (4202902).

8405798 is a wasteful number, since it uses less digits than its factorization.

8405798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202901.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 8405798 is about 2899.2754267230. The cubic root of 8405798 is about 203.3260309719.

The spelling of 8405798 in words is "eight million, four hundred five thousand, seven hundred ninety-eight".