3042861 has 4 divisors (see below), whose sum is σ = 4057152. Its totient is φ = 2028572.

The previous prime is 3042857. The next prime is 3042899. The reversal of 3042861 is 1682403.

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 a cyclic number.

It is not a de Polignac number, because 3042861 - 2² = 3042857 is a prime.

It is a D-number.

3042861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042161) 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 3 ways as a sum of consecutive naturals, for example, 507141 + ... + 507146.

It is an arithmetic number, because the mean of its divisors is an integer number (1014288).

Almost surely, 2^3042861 is an apocalyptic number.

It is an amenable number.

3042861 is a deficient number, since it is larger than the sum of its proper divisors (1014291).

3042861 is a wasteful number, since it uses less digits than its factorization.

3042861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1014290.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3042861 is about 1744.3798324906. The cubic root of 3042861 is about 144.9085590731.

It can be divided in two parts, 3042 and 861, that multiplied together give a palindrome (2619162).

The spelling of 3042861 in words is "three million, forty-two thousand, eight hundred sixty-one".