103405038 has 16 divisors (see below), whose sum is σ = 225611136. Its totient is φ = 31334840.

The previous prime is 103405037. The next prime is 103405061. The reversal of 103405038 is 830504301.

It is a super-3 number, since 3×103405038³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 103404999 and 103405017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103405037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783306 + ... + 783437.

It is an arithmetic number, because the mean of its divisors is an integer number (14100696).

Almost surely, 2^103405038 is an apocalyptic number.

103405038 is an abundant number, since it is smaller than the sum of its proper divisors (122206098).

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

103405038 is a wasteful number, since it uses less digits than its factorization.

103405038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566759.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 103405038 is about 10168.8267759855. The cubic root of 103405038 is about 469.3684561290.

Adding to 103405038 its reverse (830504301), we get a palindrome (933909339).

The spelling of 103405038 in words is "one hundred three million, four hundred five thousand, thirty-eight".