103644604 has 18 divisors (see below), whose sum is σ = 210991200. Its totient is φ = 44419032.

The previous prime is 103644599. The next prime is 103644641. The reversal of 103644604 is 406446301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264204 + ... + 264595.

Almost surely, 2^103644604 is an apocalyptic number.

103644604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

103644604 is an abundant number, since it is smaller than the sum of its proper divisors (107346596).

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

103644604 is a wasteful number, since it uses less digits than its factorization.

103644604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528817 (or 528808 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 103644604 is about 10180.5993929631. The cubic root of 103644604 is about 469.7306499545.

The spelling of 103644604 in words is "one hundred three million, six hundred forty-four thousand, six hundred four".