8372385 has 36 divisors (see below), whose sum is σ = 16885908. Its totient is φ = 3826368.

The previous prime is 8372383. The next prime is 8372411. The reversal of 8372385 is 5832738.

It can be written as a sum of positive squares in 2 ways, for example, as 1147041 + 7225344 = 1071^2 + 2688^2 .

It is not a de Polignac number, because 8372385 - 2¹ = 8372383 is a prime.

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8372383) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 307 + ... + 4103.

It is an arithmetic number, because the mean of its divisors is an integer number (469053).

Almost surely, 2^8372385 is an apocalyptic number.

It is an amenable number.

8372385 is an abundant number, since it is smaller than the sum of its proper divisors (8513523).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8372385 is a wasteful number, since it uses less digits than its factorization.

8372385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822 (or 3812 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 8372385 is about 2893.5073872378. The cubic root of 8372385 is about 203.0562666066.

The spelling of 8372385 in words is "eight million, three hundred seventy-two thousand, three hundred eighty-five".