8400573 has 6 divisors (see below), whose sum is σ = 12134174. Its totient is φ = 5600376.

The previous prime is 8400571. The next prime is 8400593. The reversal of 8400573 is 3750048.

It can be written as a sum of positive squares in only one way, i.e., 4782969 + 3617604 = 2187^2 + 1902^2 .

It is not a de Polignac number, because 8400573 - 2¹ = 8400571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8400571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 466690 + ... + 466707.

Almost surely, 2^8400573 is an apocalyptic number.

It is an amenable number.

8400573 is a deficient number, since it is larger than the sum of its proper divisors (3733601).

8400573 is a wasteful number, since it uses less digits than its factorization.

8400573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933403 (or 933400 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 8400573 is about 2898.3741994435. The cubic root of 8400573 is about 203.2838934413.

The spelling of 8400573 in words is "eight million, four hundred thousand, five hundred seventy-three".