103936405 has 8 divisors (see below), whose sum is σ = 125868600. Its totient is φ = 82385856.

The previous prime is 103936381. The next prime is 103936421. The reversal of 103936405 is 504639301.

It can be written as a sum of positive squares in 4 ways, for example, as 568516 + 103367889 = 754^2 + 10167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103936405 - 2⁹ = 103935893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94810 + ... + 95899.

It is an arithmetic number, because the mean of its divisors is an integer number (15733575).

Almost surely, 2^103936405 is an apocalyptic number.

It is an amenable number.

103936405 is a deficient number, since it is larger than the sum of its proper divisors (21932195).

103936405 is a wasteful number, since it uses less digits than its factorization.

103936405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190823.

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

The square root of 103936405 is about 10194.9205489793. The cubic root of 103936405 is about 470.1710634293.

The spelling of 103936405 in words is "one hundred three million, nine hundred thirty-six thousand, four hundred five".