103906216 has 8 divisors (see below), whose sum is σ = 194824170. Its totient is φ = 51953104.

The previous prime is 103906207. The next prime is 103906223. The reversal of 103906216 is 612609301.

It can be written as a sum of positive squares in only one way, i.e., 62252100 + 41654116 = 7890^2 + 6454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494131 + ... + 6494146.

Almost surely, 2^103906216 is an apocalyptic number.

It is an amenable number.

103906216 is a deficient number, since it is larger than the sum of its proper divisors (90917954).

103906216 is a wasteful number, since it uses less digits than its factorization.

103906216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12988283 (or 12988279 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 103906216 is about 10193.4398511984. The cubic root of 103906216 is about 470.1255376141.

The spelling of 103906216 in words is "one hundred three million, nine hundred six thousand, two hundred sixteen".