42439334 has 8 divisors (see below), whose sum is σ = 72753168. Its totient is φ = 18188280.

The previous prime is 42439307. The next prime is 42439381. The reversal of 42439334 is 43393424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42439334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1515677 + ... + 1515704.

It is an arithmetic number, because the mean of its divisors is an integer number (9094146).

Almost surely, 2^42439334 is an apocalyptic number.

42439334 is a deficient number, since it is larger than the sum of its proper divisors (30313834).

42439334 is a wasteful number, since it uses less digits than its factorization.

42439334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3031390.

The product of its digits is 31104, while the sum is 32.

The square root of 42439334 is about 6514.5478737975. The cubic root of 42439334 is about 348.8104761025.

The spelling of 42439334 in words is "forty-two million, four hundred thirty-nine thousand, three hundred thirty-four".