3087021 has 32 divisors (see below), whose sum is σ = 5034240. Its totient is φ = 1645056.

The previous prime is 3086999. The next prime is 3087023. The reversal of 3087021 is 1207803.

It is not a de Polignac number, because 3087021 - 2⁶ = 3086957 is a prime.

It is a super-3 number, since 3×3087021³ = 88255139609793330783, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3087023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22465 + ... + 22601.

It is an arithmetic number, because the mean of its divisors is an integer number (157320).

Almost surely, 2^3087021 is an apocalyptic number.

It is an amenable number.

3087021 is a deficient number, since it is larger than the sum of its proper divisors (1947219).

3087021 is a wasteful number, since it uses less digits than its factorization.

3087021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 3087021 is about 1756.9920318544. The cubic root of 3087021 is about 145.6061977849.

The spelling of 3087021 in words is "three million, eighty-seven thousand, twenty-one".