103643984 has 20 divisors (see below), whose sum is σ = 202144800. Its totient is φ = 51477600.

The previous prime is 103643983. The next prime is 103643987. The reversal of 103643984 is 489346301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103643983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19034 + ... + 23865.

It is an arithmetic number, because the mean of its divisors is an integer number (10107240).

Almost surely, 2^103643984 is an apocalyptic number.

It is an amenable number.

103643984 is a deficient number, since it is larger than the sum of its proper divisors (98500816).

103643984 is a wasteful number, since it uses less digits than its factorization.

103643984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43058 (or 43052 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 103643984 is about 10180.5689428440. The cubic root of 103643984 is about 469.7297133127.

The spelling of 103643984 in words is "one hundred three million, six hundred forty-three thousand, nine hundred eighty-four".