3020987 has 4 divisors (see below), whose sum is σ = 3043176. Its totient is φ = 2998800.

The previous prime is 3020971. The next prime is 3020989. The reversal of 3020987 is 7890203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7890203 = 151 ⋅52253.

It is a cyclic number.

It is not a de Polignac number, because 3020987 - 2⁴ = 3020971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3020989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10889 + ... + 11162.

It is an arithmetic number, because the mean of its divisors is an integer number (760794).

Almost surely, 2^3020987 is an apocalyptic number.

3020987 is a deficient number, since it is larger than the sum of its proper divisors (22189).

3020987 is a wasteful number, since it uses less digits than its factorization.

3020987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22188.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 3020987 is about 1738.0986738387. The cubic root of 3020987 is about 144.5604923865.

The spelling of 3020987 in words is "three million, twenty thousand, nine hundred eighty-seven".