103685408 has 12 divisors (see below), whose sum is σ = 204130710. Its totient is φ = 51842688.

The previous prime is 103685401. The next prime is 103685423. The reversal of 103685408 is 804586301.

It can be written as a sum of positive squares in only one way, i.e., 52591504 + 51093904 = 7252^2 + 7148^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (103685401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1620053 + ... + 1620116.

Almost surely, 2^103685408 is an apocalyptic number.

It is an amenable number.

103685408 is a deficient number, since it is larger than the sum of its proper divisors (100445302).

103685408 is an equidigital number, since it uses as much as digits as its factorization.

103685408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240179 (or 3240171 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 103685408 is about 10182.6032035035. The cubic root of 103685408 is about 469.7922848554.

It can be divided in two parts, 10368 and 5408, that multiplied together give a square (56070144 = 7488²).

The spelling of 103685408 in words is "one hundred three million, six hundred eighty-five thousand, four hundred eight".