10351638 has 80 divisors (see below), whose sum is σ = 26153424. Its totient is φ = 3032640.

The previous prime is 10351631. The next prime is 10351651. The reversal of 10351638 is 83615301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10351631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65856 + ... + 66012.

Almost surely, 2^10351638 is an apocalyptic number.

10351638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 10351638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13076712).

10351638 is an abundant number, since it is smaller than the sum of its proper divisors (15801786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10351638 is a wasteful number, since it uses less digits than its factorization.

10351638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 10351638 is about 3217.3961521703. The cubic root of 10351638 is about 217.9397050095.

Adding to 10351638 its reverse (83615301), we get a palindrome (93966939).

The spelling of 10351638 in words is "ten million, three hundred fifty-one thousand, six hundred thirty-eight".