103644212 has 36 divisors (see below), whose sum is σ = 215498304. Its totient is φ = 43470000.

The previous prime is 103644197. The next prime is 103644217. The reversal of 103644212 is 212446301.

It is a super-2 number, since 2×103644212² = 21484245362201888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103644217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3587 + ... + 14837.

It is an arithmetic number, because the mean of its divisors is an integer number (5986064).

Almost surely, 2^103644212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103644212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107749152).

103644212 is an abundant number, since it is smaller than the sum of its proper divisors (111854092).

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

103644212 is a wasteful number, since it uses less digits than its factorization.

103644212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316 (or 11307 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 103644212 is about 10180.5801406403. The cubic root of 103644212 is about 469.7300577556.

The spelling of 103644212 in words is "one hundred three million, six hundred forty-four thousand, two hundred twelve".