10438831 has 4 divisors (see below), whose sum is σ = 11241832. Its totient is φ = 9635832.

The previous prime is 10438829. The next prime is 10438843. The reversal of 10438831 is 13883401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13883401 = 7 ⋅1983343.

It is a cyclic number.

It is not a de Polignac number, because 10438831 - 2¹ = 10438829 is a prime.

It is a super-2 number, since 2×10438831² = 217938385293122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10438831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10438861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 401481 + ... + 401506.

It is an arithmetic number, because the mean of its divisors is an integer number (2810458).

Almost surely, 2^10438831 is an apocalyptic number.

10438831 is a deficient number, since it is larger than the sum of its proper divisors (803001).

10438831 is an equidigital number, since it uses as much as digits as its factorization.

10438831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803000.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 10438831 is about 3230.9179810079. The cubic root of 10438831 is about 218.5499050795.

The spelling of 10438831 in words is "ten million, four hundred thirty-eight thousand, eight hundred thirty-one".