8681379 has 24 divisors (see below), whose sum is σ = 13666320. Its totient is φ = 4886784.

The previous prime is 8681377. The next prime is 8681401. The reversal of 8681379 is 9731868.

8681379 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8681379 - 2¹ = 8681377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8681379.

It is not an unprimeable number, because it can be changed into a prime (8681377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10327 + ... + 11135.

It is an arithmetic number, because the mean of its divisors is an integer number (569430).

Almost surely, 2^8681379 is an apocalyptic number.

8681379 is a deficient number, since it is larger than the sum of its proper divisors (4984941).

8681379 is a wasteful number, since it uses less digits than its factorization.

8681379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 892 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 8681379 is about 2946.4179947862. The cubic root of 8681379 is about 205.5241711790.

The spelling of 8681379 in words is "eight million, six hundred eighty-one thousand, three hundred seventy-nine".