3073989 has 4 divisors (see below), whose sum is σ = 4098656. Its totient is φ = 2049324.

The previous prime is 3073981. The next prime is 3073999. The reversal of 3073989 is 9893703.

3073989 = T₈₂₂ + T₈₂₃ + ... + T₈₃₀.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 3073989 - 2³ = 3073981 is a prime.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

3073989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3073981) 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, 512329 + ... + 512334.

It is an arithmetic number, because the mean of its divisors is an integer number (1024664).

Almost surely, 2^3073989 is an apocalyptic number.

It is an amenable number.

3073989 is a deficient number, since it is larger than the sum of its proper divisors (1024667).

3073989 is a wasteful number, since it uses less digits than its factorization.

3073989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024666.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 3073989 is about 1753.2794985398. The cubic root of 3073989 is about 145.4010143807.

The spelling of 3073989 in words is "three million, seventy-three thousand, nine hundred eighty-nine".