42893839 has 8 divisors (see below), whose sum is σ = 45843408. Its totient is φ = 39991680.

The previous prime is 42893821. The next prime is 42893843. The reversal of 42893839 is 93839824.

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

It is a cyclic number.

It is not a de Polignac number, because 42893839 - 2⁹ = 42893327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42893899) 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, 9972 + ... + 13609.

It is an arithmetic number, because the mean of its divisors is an integer number (5730426).

Almost surely, 2^42893839 is an apocalyptic number.

42893839 is a deficient number, since it is larger than the sum of its proper divisors (2949569).

42893839 is a wasteful number, since it uses less digits than its factorization.

42893839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23705.

The product of its digits is 373248, while the sum is 46.

The square root of 42893839 is about 6549.3388215911. The cubic root of 42893839 is about 350.0512550787.

It can be divided in two parts, 4289 and 3839, that added together give a triangular number (8128 = T₁₂₇).

The spelling of 42893839 in words is "forty-two million, eight hundred ninety-three thousand, eight hundred thirty-nine".