103905436 has 12 divisors (see below), whose sum is σ = 182021112. Its totient is φ = 51899408.

The previous prime is 103905413. The next prime is 103905437. The reversal of 103905436 is 634509301.

It is a junction number, because it is equal to n+sod(n) for n = 103905398 and 103905407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103905437) 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 3 ways as a sum of consecutive naturals, for example, 8770 + ... + 16873.

It is an arithmetic number, because the mean of its divisors is an integer number (15168426).

Almost surely, 2^103905436 is an apocalyptic number.

It is an amenable number.

103905436 is a deficient number, since it is larger than the sum of its proper divisors (78115676).

103905436 is a wasteful number, since it uses less digits than its factorization.

103905436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26660 (or 26658 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 103905436 is about 10193.4015912256. The cubic root of 103905436 is about 470.1243612365.

The spelling of 103905436 in words is "one hundred three million, nine hundred five thousand, four hundred thirty-six".