3900103900 has 72 divisors (see below), whose sum is σ = 10551574656. Its totient is φ = 1215614400.

The previous prime is 3900103891. The next prime is 3900103927. The reversal of 3900103900 is 93010093.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245554 + ... + 260953.

It is an arithmetic number, because the mean of its divisors is an integer number (146549648).

Almost surely, 2^3900103900 is an apocalyptic number.

It is an amenable number.

3900103900 is an abundant number, since it is smaller than the sum of its proper divisors (6651470756).

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

3900103900 is a wasteful number, since it uses less digits than its factorization.

3900103900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506539 (or 506532 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 3900103900 is about 62450.8118442026. The cubic root of 3900103900 is about 1574.0748947064.

Adding to 3900103900 its reverse (93010093), we get a palindrome (3993113993).

The spelling of 3900103900 in words is "three billion, nine hundred million, one hundred three thousand, nine hundred".