3900103 has 4 divisors (see below), whose sum is σ = 3916528. Its totient is φ = 3883680.

The previous prime is 3900097. The next prime is 3900121. The reversal of 3900103 is 3010093.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3900103 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3901103) 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, 7851 + ... + 8332.

It is an arithmetic number, because the mean of its divisors is an integer number (979132).

Almost surely, 2^3900103 is an apocalyptic number.

3900103 is a deficient number, since it is larger than the sum of its proper divisors (16425).

3900103 is a wasteful number, since it uses less digits than its factorization.

3900103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16424.

The product of its (nonzero) digits is 81, while the sum is 16.

The square root of 3900103 is about 1974.8678436797. The cubic root of 3900103 is about 157.4074773627.

Adding to 3900103 its reverse (3010093), we get a palindrome (6910196).

The spelling of 3900103 in words is "three million, nine hundred thousand, one hundred three".