8400682 has 4 divisors (see below), whose sum is σ = 12601026. Its totient is φ = 4200340.

The previous prime is 8400673. The next prime is 8400683. The reversal of 8400682 is 2860048.

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., 6713281 + 1687401 = 2591^2 + 1299^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8400682.

It is not an unprimeable number, because it can be changed into a prime (8400683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2100169 + ... + 2100172.

Almost surely, 2^8400682 is an apocalyptic number.

8400682 is a deficient number, since it is larger than the sum of its proper divisors (4200344).

8400682 is a wasteful number, since it uses less digits than its factorization.

8400682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4200343.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 8400682 is about 2898.3930030277. The cubic root of 8400682 is about 203.2847726610.

The spelling of 8400682 in words is "eight million, four hundred thousand, six hundred eighty-two".