42839433 has 48 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 21399552.

The previous prime is 42839431. The next prime is 42839449. The reversal of 42839433 is 33493824.

It is a happy number.

42839433 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42839433 - 2¹ = 42839431 is a prime.

It is a super-2 number, since 2×42839433² = 3670434039522978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42839431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14185 + ... + 16937.

It is an arithmetic number, because the mean of its divisors is an integer number (1670760).

Almost surely, 2^42839433 is an apocalyptic number.

It is an amenable number.

42839433 is a deficient number, since it is larger than the sum of its proper divisors (37357047).

42839433 is a wasteful number, since it uses less digits than its factorization.

42839433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2798 (or 2795 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 42839433 is about 6545.1839546341. The cubic root of 42839433 is about 349.9031922737.

The spelling of 42839433 in words is "forty-two million, eight hundred thirty-nine thousand, four hundred thirty-three".