42464339 has 4 divisors (see below), whose sum is σ = 42884880. Its totient is φ = 42043800.

The previous prime is 42464333. The next prime is 42464347. The reversal of 42464339 is 93346424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42464339 - 2¹⁶ = 42398803 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42464299 and 42464308.

It is not an unprimeable number, because it can be changed into a prime (42464333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210119 + ... + 210320.

It is an arithmetic number, because the mean of its divisors is an integer number (10721220).

Almost surely, 2^42464339 is an apocalyptic number.

42464339 is a deficient number, since it is larger than the sum of its proper divisors (420541).

42464339 is a wasteful number, since it uses less digits than its factorization.

42464339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420540.

The product of its digits is 62208, while the sum is 35.

The square root of 42464339 is about 6516.4667573770. The cubic root of 42464339 is about 348.8789683298.

The spelling of 42464339 in words is "forty-two million, four hundred sixty-four thousand, three hundred thirty-nine".