42028369 has 8 divisors (see below), whose sum is σ = 44700768. Its totient is φ = 39378240.

The previous prime is 42028367. The next prime is 42028391. The reversal of 42028369 is 96382024.

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 42028369 - 2¹ = 42028367 is a prime.

It is a super-2 number, since 2×42028369² = 3532767601600322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42028367) 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, 1587 + ... + 9304.

It is an arithmetic number, because the mean of its divisors is an integer number (5587596).

Almost surely, 2^42028369 is an apocalyptic number.

It is an amenable number.

42028369 is a deficient number, since it is larger than the sum of its proper divisors (2672399).

42028369 is a wasteful number, since it uses less digits than its factorization.

42028369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11135.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 42028369 is about 6482.9290448068. The cubic root of 42028369 is about 347.6809098901.

The spelling of 42028369 in words is "forty-two million, twenty-eight thousand, three hundred sixty-nine".