8379985 has 8 divisors (see below), whose sum is σ = 10402920. Its totient is φ = 6472704.

The previous prime is 8379961. The next prime is 8380037. The reversal of 8379985 is 5899738.

It can be written as a sum of positive squares in 4 ways, for example, as 1661521 + 6718464 = 1289^2 + 2592^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8379985 - 2⁹ = 8379473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28752 + ... + 29041.

It is an arithmetic number, because the mean of its divisors is an integer number (1300365).

Almost surely, 2^8379985 is an apocalyptic number.

It is an amenable number.

8379985 is a deficient number, since it is larger than the sum of its proper divisors (2022935).

8379985 is a wasteful number, since it uses less digits than its factorization.

8379985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57827.

The product of its digits is 544320, while the sum is 49.

The square root of 8379985 is about 2894.8203743929. The cubic root of 8379985 is about 203.1176892043.

The spelling of 8379985 in words is "eight million, three hundred seventy-nine thousand, nine hundred eighty-five".