3001989 has 8 divisors (see below), whose sum is σ = 4013632. Its totient is φ = 1995840.

The previous prime is 3001963. The next prime is 3001991. The reversal of 3001989 is 9891003.

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 3001989 - 2¹² = 2997893 is a prime.

It is a super-2 number, since 2×3001989² = 18023875912242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3001909) 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, 144 + ... + 2454.

It is an arithmetic number, because the mean of its divisors is an integer number (501704).

Almost surely, 2^3001989 is an apocalyptic number.

It is an amenable number.

3001989 is a deficient number, since it is larger than the sum of its proper divisors (1011643).

3001989 is a wasteful number, since it uses less digits than its factorization.

3001989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2747.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 3001989 is about 1732.6248872736. The cubic root of 3001989 is about 144.2568237047.

The spelling of 3001989 in words is "three million, one thousand, nine hundred eighty-nine".