8379218 has 4 divisors (see below), whose sum is σ = 12568830. Its totient is φ = 4189608.

The previous prime is 8379197. The next prime is 8379223. The reversal of 8379218 is 8129738.

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

It can be written as a sum of positive squares in only one way, i.e., 7711729 + 667489 = 2777^2 + 817^2 .

It is a super-2 number, since 2×8379218² = 140422588583048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2094803 + ... + 2094806.

Almost surely, 2^8379218 is an apocalyptic number.

8379218 is a deficient number, since it is larger than the sum of its proper divisors (4189612).

8379218 is a wasteful number, since it uses less digits than its factorization.

8379218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4189611.

The product of its digits is 24192, while the sum is 38.

The square root of 8379218 is about 2894.6878933661. The cubic root of 8379218 is about 203.1114920564. Note that the first 3 decimals are identical.

The spelling of 8379218 in words is "eight million, three hundred seventy-nine thousand, two hundred eighteen".