103391806 has 16 divisors (see below), whose sum is σ = 186572160. Its totient is φ = 41978520.

The previous prime is 103391797. The next prime is 103391809. The reversal of 103391806 is 608193301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103391809) 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 7 ways as a sum of consecutive naturals, for example, 194080 + ... + 194611.

It is an arithmetic number, because the mean of its divisors is an integer number (11660760).

Almost surely, 2^103391806 is an apocalyptic number.

103391806 is a deficient number, since it is larger than the sum of its proper divisors (83180354).

103391806 is a wasteful number, since it uses less digits than its factorization.

103391806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388719.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 103391806 is about 10168.1761393084. The cubic root of 103391806 is about 469.3484347050.

The spelling of 103391806 in words is "one hundred three million, three hundred ninety-one thousand, eight hundred six".