103638228 has 24 divisors (see below), whose sum is σ = 250162080. Its totient is φ = 33354720.

The previous prime is 103638211. The next prime is 103638281. The reversal of 103638228 is 822836301.

It is a super-3 number, since 3×103638228³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 148558 + ... + 149253.

It is an arithmetic number, because the mean of its divisors is an integer number (10423420).

Almost surely, 2^103638228 is an apocalyptic number.

It is an amenable number.

103638228 is an abundant number, since it is smaller than the sum of its proper divisors (146523852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103638228 is a wasteful number, since it uses less digits than its factorization.

103638228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297847 (or 297845 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 103638228 is about 10180.2862435199. The cubic root of 103638228 is about 469.7210174734.

The spelling of 103638228 in words is "one hundred three million, six hundred thirty-eight thousand, two hundred twenty-eight".