10388231 has 16 divisors (see below), whose sum is σ = 12840960. Its totient is φ = 8203680.

The previous prime is 10388227. The next prime is 10388281. The reversal of 10388231 is 13288301.

It is a cyclic number.

It is not a de Polignac number, because 10388231 - 2² = 10388227 is a prime.

It is a super-2 number, since 2×10388231² = 215830686618722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10388231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10388221) 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 in 15 ways as a sum of consecutive naturals, for example, 3866 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (802560).

Almost surely, 2^10388231 is an apocalyptic number.

10388231 is a deficient number, since it is larger than the sum of its proper divisors (2452729).

10388231 is a wasteful number, since it uses less digits than its factorization.

10388231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2174.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 10388231 is about 3223.0778768128. The cubic root of 10388231 is about 218.1962083364.

The spelling of 10388231 in words is "ten million, three hundred eighty-eight thousand, two hundred thirty-one".