3990063903 has 16 divisors (see below), whose sum is σ = 6081500160. Its totient is φ = 2279510496.

The previous prime is 3990063901. The next prime is 3990063923. The reversal of 3990063903 is 3093600993.

It is not a de Polignac number, because 3990063903 - 2¹ = 3990063901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3990063901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82938 + ... + 121896.

It is an arithmetic number, because the mean of its divisors is an integer number (380093760).

Almost surely, 2^3990063903 is an apocalyptic number.

3990063903 is a deficient number, since it is larger than the sum of its proper divisors (2091436257).

3990063903 is a wasteful number, since it uses less digits than its factorization.

3990063903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43846.

The product of its (nonzero) digits is 118098, while the sum is 42.

The square root of 3990063903 is about 63166.9526176465. The cubic root of 3990063903 is about 1586.0855812433.

The spelling of 3990063903 in words is "three billion, nine hundred ninety million, sixty-three thousand, nine hundred three".