8379225 has 36 divisors (see below), whose sum is σ = 15165696. Its totient is φ = 4422240.

The previous prime is 8379223. The next prime is 8379253. The reversal of 8379225 is 5229738.

It is a happy number.

It is not a de Polignac number, because 8379225 - 2¹ = 8379223 is a prime.

It is a super-2 number, since 2×8379225² = 140422823201250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8379225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8379223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37464 + ... + 37686.

Almost surely, 2^8379225 is an apocalyptic number.

It is an amenable number.

8379225 is a deficient number, since it is larger than the sum of its proper divisors (6786471).

8379225 is a wasteful number, since it uses less digits than its factorization.

8379225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 398 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 8379225 is about 2894.6891024772. The cubic root of 8379225 is about 203.1115486161. Note that the first 3 decimals are identical.

The spelling of 8379225 in words is "eight million, three hundred seventy-nine thousand, two hundred twenty-five".