42289934 has 16 divisors (see below), whose sum is σ = 66900480. Its totient is φ = 19994040.

The previous prime is 42289909. The next prime is 42289937. The reversal of 42289934 is 43998224.

It is a junction number, because it is equal to n+sod(n) for n = 42289891 and 42289900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42289937) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 37097 + ... + 38219.

It is an arithmetic number, because the mean of its divisors is an integer number (4181280).

Almost surely, 2^42289934 is an apocalyptic number.

42289934 is a deficient number, since it is larger than the sum of its proper divisors (24610546).

42289934 is a wasteful number, since it uses less digits than its factorization.

42289934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2135.

The product of its digits is 124416, while the sum is 41.

The square root of 42289934 is about 6503.0711206322. The cubic root of 42289934 is about 348.4006867969.

The spelling of 42289934 in words is "forty-two million, two hundred eighty-nine thousand, nine hundred thirty-four".