3990103 has 8 divisors (see below), whose sum is σ = 4436096. Its totient is φ = 3564000.

The previous prime is 3990097. The next prime is 3990113. The reversal of 3990103 is 3010993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3990103 - 2¹³ = 3981911 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4548 + ... + 5353.

It is an arithmetic number, because the mean of its divisors is an integer number (554512).

Almost surely, 2^3990103 is an apocalyptic number.

3990103 is a deficient number, since it is larger than the sum of its proper divisors (445993).

3990103 is a wasteful number, since it uses less digits than its factorization.

3990103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9945.

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

The square root of 3990103 is about 1997.5242176254. The cubic root of 3990103 is about 158.6090761694.

The spelling of 3990103 in words is "three million, nine hundred ninety thousand, one hundred three".