3011987 has 8 divisors (see below), whose sum is σ = 3326400. Its totient is φ = 2704360.

The previous prime is 3011971. The next prime is 3011989. The reversal of 3011987 is 7891103.

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 3011987 - 2⁴ = 3011971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3011989) 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, 737 + ... + 2562.

It is an arithmetic number, because the mean of its divisors is an integer number (415800).

Almost surely, 2^3011987 is an apocalyptic number.

3011987 is a deficient number, since it is larger than the sum of its proper divisors (314413).

3011987 is a wasteful number, since it uses less digits than its factorization.

3011987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 3011987 is about 1735.5077066957. The cubic root of 3011987 is about 144.4167933702.

The spelling of 3011987 in words is "three million, eleven thousand, nine hundred eighty-seven".