103388538 has 64 divisors (see below), whose sum is σ = 245721600. Its totient is φ = 28647360.

The previous prime is 103388521. The next prime is 103388563. The reversal of 103388538 is 835883301.

It is a junction number, because it is equal to n+sod(n) for n = 103388496 and 103388505.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34945 + ... + 37787.

It is an arithmetic number, because the mean of its divisors is an integer number (3839400).

Almost surely, 2^103388538 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103388538, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122860800).

103388538 is an abundant number, since it is smaller than the sum of its proper divisors (142333062).

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

103388538 is a wasteful number, since it uses less digits than its factorization.

103388538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 103388538 is about 10168.0154405862. The cubic root of 103388538 is about 469.3434896102.

The spelling of 103388538 in words is "one hundred three million, three hundred eighty-eight thousand, five hundred thirty-eight".