42985319 has 12 divisors (see below), whose sum is σ = 46744056. Its totient is φ = 39510432.

The previous prime is 42985303. The next prime is 42985331. The reversal of 42985319 is 91358924.

It is not a de Polignac number, because 42985319 - 2⁴ = 42985303 is a prime.

It is a super-2 number, since 2×42985319² = 3695475299063522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42985339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 58277 + ... + 59009.

It is an arithmetic number, because the mean of its divisors is an integer number (3895338).

Almost surely, 2^42985319 is an apocalyptic number.

42985319 is a deficient number, since it is larger than the sum of its proper divisors (3758737).

42985319 is a wasteful number, since it uses less digits than its factorization.

42985319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106 (or 1093 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 42985319 is about 6556.3190129828. The cubic root of 42985319 is about 350.2999306577.

The spelling of 42985319 in words is "forty-two million, nine hundred eighty-five thousand, three hundred nineteen".