42608428 has 6 divisors (see below), whose sum is σ = 74564756. Its totient is φ = 21304212.

The previous prime is 42608411. The next prime is 42608429. The reversal of 42608428 is 82480624.

It is a junction number, because it is equal to n+sod(n) for n = 42608393 and 42608402.

It is not an unprimeable number, because it can be changed into a prime (42608429) 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, 5326050 + ... + 5326057.

Almost surely, 2^42608428 is an apocalyptic number.

It is an amenable number.

42608428 is a deficient number, since it is larger than the sum of its proper divisors (31956328).

42608428 is a wasteful number, since it uses less digits than its factorization.

42608428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10652111 (or 10652109 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 42608428 is about 6527.5131558657. The cubic root of 42608428 is about 349.2731254971.

The spelling of 42608428 in words is "forty-two million, six hundred eight thousand, four hundred twenty-eight".