42839007 has 16 divisors (see below), whose sum is σ = 59039232. Its totient is φ = 27609120.

The previous prime is 42838987. The next prime is 42839011. The reversal of 42839007 is 70093824.

It is not a de Polignac number, because 42839007 - 2¹⁹ = 42314719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42839047) 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 15 ways as a sum of consecutive naturals, for example, 17382 + ... + 19692.

It is an arithmetic number, because the mean of its divisors is an integer number (3689952).

Almost surely, 2^42839007 is an apocalyptic number.

42839007 is a deficient number, since it is larger than the sum of its proper divisors (16200225).

42839007 is a wasteful number, since it uses less digits than its factorization.

42839007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2518.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 42839007 is about 6545.1514115412. The cubic root of 42839007 is about 349.9020324447.

The spelling of 42839007 in words is "forty-two million, eight hundred thirty-nine thousand, seven".