3646112887 has 4 divisors (see below), whose sum is σ = 3659667480. Its totient is φ = 3632558296.

The previous prime is 3646112879. The next prime is 3646112909. The reversal of 3646112887 is 7882116463.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3646112887 - 2³ = 3646112879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646112387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6776893 + ... + 6777430.

It is an arithmetic number, because the mean of its divisors is an integer number (914916870).

Almost surely, 2^3646112887 is an apocalyptic number.

3646112887 is a deficient number, since it is larger than the sum of its proper divisors (13554593).

3646112887 is a wasteful number, since it uses less digits than its factorization.

3646112887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13554592.

The product of its digits is 387072, while the sum is 46.

The square root of 3646112887 is about 60383.0513223703. The cubic root of 3646112887 is about 1539.1349624090.

The spelling of 3646112887 in words is "three billion, six hundred forty-six million, one hundred twelve thousand, eight hundred eighty-seven".