10400686 has 16 divisors (see below), whose sum is σ = 16197120. Its totient is φ = 5003640.

The previous prime is 10400681. The next prime is 10400699. The reversal of 10400686 is 68600401.

It is a self number, because there is not a number n which added to its sum of digits gives 10400686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13705 + ... + 14443.

It is an arithmetic number, because the mean of its divisors is an integer number (1012320).

Almost surely, 2^10400686 is an apocalyptic number.

10400686 is a deficient number, since it is larger than the sum of its proper divisors (5796434).

10400686 is a wasteful number, since it uses less digits than its factorization.

10400686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 10400686 is about 3225.0094573505. The cubic root of 10400686 is about 218.2833758369.

The spelling of 10400686 in words is "ten million, four hundred thousand, six hundred eighty-six".