103030638 has 24 divisors (see below), whose sum is σ = 209655528. Its totient is φ = 33754608.

The previous prime is 103030637. The next prime is 103030643. The reversal of 103030638 is 836030301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103030637) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18420 + ... + 23352.

It is an arithmetic number, because the mean of its divisors is an integer number (8735647).

Almost surely, 2^103030638 is an apocalyptic number.

103030638 is an abundant number, since it is smaller than the sum of its proper divisors (106624890).

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

103030638 is an equidigital number, since it uses as much as digits as its factorization.

103030638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 103030638 is about 10150.4008787831. The cubic root of 103030638 is about 468.8012881837.

Adding to 103030638 its reverse (836030301), we get a palindrome (939060939).

The spelling of 103030638 in words is "one hundred three million, thirty thousand, six hundred thirty-eight".