3159987 has 8 divisors (see below), whose sum is σ = 4255440. Its totient is φ = 2085600.

The previous prime is 3159973. The next prime is 3159991. The reversal of 3159987 is 7899513.

It is a happy number.

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

It is not a de Polignac number, because 3159987 - 2⁷ = 3159859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3159907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4912 + ... + 5517.

It is an arithmetic number, because the mean of its divisors is an integer number (531930).

Almost surely, 2^3159987 is an apocalyptic number.

3159987 is a deficient number, since it is larger than the sum of its proper divisors (1095453).

3159987 is a wasteful number, since it uses less digits than its factorization.

3159987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10533.

The product of its digits is 68040, while the sum is 42.

The square root of 3159987 is about 1777.6352269237. The cubic root of 3159987 is about 146.7444771924.

The spelling of 3159987 in words is "three million, one hundred fifty-nine thousand, nine hundred eighty-seven".