42028604 has 6 divisors (see below), whose sum is σ = 73550064. Its totient is φ = 21014300.

The previous prime is 42028603. The next prime is 42028619. The reversal of 42028604 is 40682024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42028603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5253572 + ... + 5253579.

It is an arithmetic number, because the mean of its divisors is an integer number (12258344).

Almost surely, 2^42028604 is an apocalyptic number.

It is an amenable number.

42028604 is a deficient number, since it is larger than the sum of its proper divisors (31521460).

42028604 is a wasteful number, since it uses less digits than its factorization.

42028604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10507155 (or 10507153 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 42028604 is about 6482.9471693050. The cubic root of 42028604 is about 347.6815579036.

The spelling of 42028604 in words is "forty-two million, twenty-eight thousand, six hundred four".