42085898 has 16 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 20798736.

The previous prime is 42085877. The next prime is 42085919. The reversal of 42085898 is 89858024.

It is an interprime number because it is at equal distance from previous prime (42085877) and next prime (42085919).

It is a Curzon 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, 87623 + ... + 88101.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2^42085898 is an apocalyptic number.

42085898 is a deficient number, since it is larger than the sum of its proper divisors (21780982).

42085898 is a wasteful number, since it uses less digits than its factorization.

42085898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 42085898 is about 6487.3644879874. The cubic root of 42085898 is about 347.8394743412.

The spelling of 42085898 in words is "forty-two million, eighty-five thousand, eight hundred ninety-eight".