8681402 has 8 divisors (see below), whose sum is σ = 13047156. Its totient is φ = 4332352.

The previous prime is 8681401. The next prime is 8681429. The reversal of 8681402 is 2041868.

It can be written as a sum of positive squares in 2 ways, for example, as 8637721 + 43681 = 2939^2 + 209^2 .

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

It is not an unprimeable number, because it can be changed into a prime (8681401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2783 + ... + 5010.

Almost surely, 2^8681402 is an apocalyptic number.

8681402 is a deficient number, since it is larger than the sum of its proper divisors (4365754).

8681402 is a wasteful number, since it uses less digits than its factorization.

8681402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8352.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 8681402 is about 2946.4218978279. The cubic root of 8681402 is about 205.5243526806.

The spelling of 8681402 in words is "eight million, six hundred eighty-one thousand, four hundred two".