3016989 has 6 divisors (see below), whose sum is σ = 4357886. Its totient is φ = 2011320.

The previous prime is 3016963. The next prime is 3016997. The reversal of 3016989 is 9896103.

It can be written as a sum of positive squares in only one way, i.e., 2152089 + 864900 = 1467^2 + 930^2 .

It is not a de Polignac number, because 3016989 - 2¹¹ = 3014941 is a prime.

It is a super-2 number, since 2×3016989² = 18204445252242, which contains 22 as substring.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3016589) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 167602 + ... + 167619.

Almost surely, 2^3016989 is an apocalyptic number.

It is an amenable number.

3016989 is a deficient number, since it is larger than the sum of its proper divisors (1340897).

3016989 is a wasteful number, since it uses less digits than its factorization.

3016989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335227 (or 335224 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 3016989 is about 1736.9481857557. The cubic root of 3016989 is about 144.4966933707.

It can be divided in two parts, 3016 and 989, that added together give a triangular number (4005 = T₈₉).

The spelling of 3016989 in words is "three million, sixteen thousand, nine hundred eighty-nine".