8493805 has 16 divisors (see below), whose sum is σ = 10471104. Its totient is φ = 6612480.

The previous prime is 8493803. The next prime is 8493811. The reversal of 8493805 is 5083948.

8493805 = 278² + 279² + ... + 360².

8493805 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8493805 - 2¹ = 8493803 is a prime.

It is a super-4 number, since 4×8493805⁴ (a number of 29 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8493803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40150 + ... + 40360.

It is an arithmetic number, because the mean of its divisors is an integer number (654444).

Almost surely, 2^8493805 is an apocalyptic number.

It is an amenable number.

8493805 is a deficient number, since it is larger than the sum of its proper divisors (1977299).

8493805 is a wasteful number, since it uses less digits than its factorization.

8493805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 8493805 is about 2914.4133200354. The cubic root of 8493805 is about 204.0331629413.

The spelling of 8493805 in words is "eight million, four hundred ninety-three thousand, eight hundred five".