3042421 has 8 divisors (see below), whose sum is σ = 3132864. Its totient is φ = 2953440.

The previous prime is 3042407. The next prime is 3042437. The reversal of 3042421 is 1242403.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3042421 - 2¹⁹ = 2518133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3042395 and 3042404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3042401) 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 7 ways as a sum of consecutive naturals, for example, 4890 + ... + 5476.

It is an arithmetic number, because the mean of its divisors is an integer number (391608).

Almost surely, 2^3042421 is an apocalyptic number.

It is an amenable number.

3042421 is a deficient number, since it is larger than the sum of its proper divisors (90443).

3042421 is an equidigital number, since it uses as much as digits as its factorization.

3042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 3042421 is about 1744.2537086101. The cubic root of 3042421 is about 144.9015741074.

Adding to 3042421 its reverse (1242403), we get a palindrome (4284824).

The spelling of 3042421 in words is "three million, forty-two thousand, four hundred twenty-one".