42931424 has 24 divisors (see below), whose sum is σ = 85398768. Its totient is φ = 21242880.

The previous prime is 42931417. The next prime is 42931439. The reversal of 42931424 is 42413924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3812 + ... + 10019.

It is an arithmetic number, because the mean of its divisors is an integer number (3558282).

Almost surely, 2^42931424 is an apocalyptic number.

It is an amenable number.

42931424 is a deficient number, since it is larger than the sum of its proper divisors (42467344).

42931424 is a wasteful number, since it uses less digits than its factorization.

42931424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13938 (or 13930 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 42931424 is about 6552.2075669197. The cubic root of 42931424 is about 350.1534673919.

The spelling of 42931424 in words is "forty-two million, nine hundred thirty-one thousand, four hundred twenty-four".