3042789 has 4 divisors (see below), whose sum is σ = 4057056. Its totient is φ = 2028524.

The previous prime is 3042763. The next prime is 3042803. The reversal of 3042789 is 9872403.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9872403 = 3 ⋅3290801.

It is a cyclic number.

It is not a de Polignac number, because 3042789 - 2⁵ = 3042757 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042719) 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, 507129 + ... + 507134.

It is an arithmetic number, because the mean of its divisors is an integer number (1014264).

Almost surely, 2^3042789 is an apocalyptic number.

It is an amenable number.

3042789 is a deficient number, since it is larger than the sum of its proper divisors (1014267).

3042789 is a wasteful number, since it uses less digits than its factorization.

3042789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014266.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 3042789 is about 1744.3591946615. The cubic root of 3042789 is about 144.9074161248.

The spelling of 3042789 in words is "three million, forty-two thousand, seven hundred eighty-nine".