103638885 has 32 divisors (see below), whose sum is σ = 200662272. Its totient is φ = 44590080.

The previous prime is 103638881. The next prime is 103638889. The reversal of 103638885 is 588836301.

It is an interprime number because it is at equal distance from previous prime (103638881) and next prime (103638889).

It is not a de Polignac number, because 103638885 - 2² = 103638881 is a prime.

It is a super-3 number, since 3×103638885³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103638881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27246 + ... + 30815.

It is an arithmetic number, because the mean of its divisors is an integer number (6270696).

Almost surely, 2^103638885 is an apocalyptic number.

103638885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103638885 is a deficient number, since it is larger than the sum of its proper divisors (97023387).

103638885 is a wasteful number, since it uses less digits than its factorization.

103638885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58093.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 103638885 is about 10180.3185117166. The cubic root of 103638885 is about 469.7220100482.

The spelling of 103638885 in words is "one hundred three million, six hundred thirty-eight thousand, eight hundred eighty-five".