10388386 has 4 divisors (see below), whose sum is σ = 15582582. Its totient is φ = 5194192.

The previous prime is 10388381. The next prime is 10388419. The reversal of 10388386 is 68388301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68388301 = 107 ⋅639143.

It can be written as a sum of positive squares in only one way, i.e., 9803161 + 585225 = 3131^2 + 765^2 .

It is not an unprimeable number, because it can be changed into a prime (10388381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2597095 + ... + 2597098.

Almost surely, 2^10388386 is an apocalyptic number.

10388386 is a deficient number, since it is larger than the sum of its proper divisors (5194196).

10388386 is an equidigital number, since it uses as much as digits as its factorization.

10388386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5194195.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 10388386 is about 3223.1019220620. The cubic root of 10388386 is about 218.1972935467.

The spelling of 10388386 in words is "ten million, three hundred eighty-eight thousand, three hundred eighty-six".