10731638 has 4 divisors (see below), whose sum is σ = 16097460. Its totient is φ = 5365818.

The previous prime is 10731631. The next prime is 10731661. The reversal of 10731638 is 83613701.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 10731638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10731631) 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, 2682908 + ... + 2682911.

It is an arithmetic number, because the mean of its divisors is an integer number (4024365).

Almost surely, 2^10731638 is an apocalyptic number.

10731638 is a deficient number, since it is larger than the sum of its proper divisors (5365822).

10731638 is an equidigital number, since it uses as much as digits as its factorization.

10731638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5365821.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 10731638 is about 3275.9178866388. The cubic root of 10731638 is about 220.5745176571.

The spelling of 10731638 in words is "ten million, seven hundred thirty-one thousand, six hundred thirty-eight".