42028834 has 8 divisors (see below), whose sum is σ = 63078480. Its totient is φ = 21002676.

The previous prime is 42028787. The next prime is 42028849. The reversal of 42028834 is 43882024.

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

It is a junction number, because it is equal to n+sod(n) for n = 42028796 and 42028805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 364 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (7884810).

Almost surely, 2^42028834 is an apocalyptic number.

42028834 is a deficient number, since it is larger than the sum of its proper divisors (21049646).

42028834 is a wasteful number, since it uses less digits than its factorization.

42028834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11744.

The product of its (nonzero) digits is 12288, while the sum is 31.

The square root of 42028834 is about 6482.9649081265. The cubic root of 42028834 is about 347.6821921274.

The spelling of 42028834 in words is "forty-two million, twenty-eight thousand, eight hundred thirty-four".