42989086 has 16 divisors (see below), whose sum is σ = 74229120. Its totient is φ = 18290520.

The previous prime is 42989071. The next prime is 42989099. The reversal of 42989086 is 68098924.

42989086 is nontrivially palindromic in base 6.

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, 9100 + ... + 12991.

It is an arithmetic number, because the mean of its divisors is an integer number (4639320).

Almost surely, 2^42989086 is an apocalyptic number.

42989086 is a deficient number, since it is larger than the sum of its proper divisors (31240034).

42989086 is a wasteful number, since it uses less digits than its factorization.

42989086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22239.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 42989086 is about 6556.6062867920. The cubic root of 42989086 is about 350.3101631535.

The spelling of 42989086 in words is "forty-two million, nine hundred eighty-nine thousand, eighty-six".