3801603987 has 6 divisors (see below), whose sum is σ = 5491205772. Its totient is φ = 2534402652.

The previous prime is 3801603983. The next prime is 3801604007. The reversal of 3801603987 is 7893061083.

It is a happy number.

3801603987 is a `hidden beast` number, since 38 + 0 + 1 + 603 + 9 + 8 + 7 = 666.

It is not a de Polignac number, because 3801603987 - 2² = 3801603983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3801603983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 211200213 + ... + 211200230.

It is an arithmetic number, because the mean of its divisors is an integer number (915200962).

Almost surely, 2^3801603987 is an apocalyptic number.

3801603987 is a deficient number, since it is larger than the sum of its proper divisors (1689601785).

3801603987 is a wasteful number, since it uses less digits than its factorization.

3801603987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422400449 (or 422400446 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 3801603987 is about 61657.1487096184. The cubic root of 3801603987 is about 1560.7102818294.

The spelling of 3801603987 in words is "three billion, eight hundred one million, six hundred three thousand, nine hundred eighty-seven".