103689644 has 24 divisors (see below), whose sum is σ = 183665328. Its totient is φ = 51217920.

The previous prime is 103689643. The next prime is 103689673. The reversal of 103689644 is 446986301.

It is not an unprimeable number, because it can be changed into a prime (103689643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226664 + ... + 227120.

It is an arithmetic number, because the mean of its divisors is an integer number (7652722).

Almost surely, 2^103689644 is an apocalyptic number.

It is an amenable number.

103689644 is a deficient number, since it is larger than the sum of its proper divisors (79975684).

103689644 is a wasteful number, since it uses less digits than its factorization.

103689644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 103689644 is about 10182.8112031992. The cubic root of 103689644 is about 469.7986824545.

The spelling of 103689644 in words is "one hundred three million, six hundred eighty-nine thousand, six hundred forty-four".