42998858 has 16 divisors (see below), whose sum is σ = 74814144. Its totient is φ = 18152640.

The previous prime is 42998849. The next prime is 42998861. The reversal of 42998858 is 85889924.

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, 21983 + ... + 23858.

It is an arithmetic number, because the mean of its divisors is an integer number (4675884).

Almost surely, 2^42998858 is an apocalyptic number.

42998858 is a deficient number, since it is larger than the sum of its proper divisors (31815286).

42998858 is a wasteful number, since it uses less digits than its factorization.

42998858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45917.

The product of its digits is 1658880, while the sum is 53.

The square root of 42998858 is about 6557.3514470402. The cubic root of 42998858 is about 350.3367045534.

The spelling of 42998858 in words is "forty-two million, nine hundred ninety-eight thousand, eight hundred fifty-eight".