42049806 has 16 divisors (see below), whose sum is σ = 89046864. Its totient is φ = 13192064.

The previous prime is 42049783. The next prime is 42049817. The reversal of 42049806 is 60894024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206025 + ... + 206228.

It is an arithmetic number, because the mean of its divisors is an integer number (5565429).

Almost surely, 2^42049806 is an apocalyptic number.

42049806 is an abundant number, since it is smaller than the sum of its proper divisors (46997058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42049806 is a wasteful number, since it uses less digits than its factorization.

42049806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412275.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 42049806 is about 6484.5821762084. The cubic root of 42049806 is about 347.7400125787.

The spelling of 42049806 in words is "forty-two million, forty-nine thousand, eight hundred six".