42839463 has 4 divisors (see below), whose sum is σ = 57119288. Its totient is φ = 28559640.

The previous prime is 42839449. The next prime is 42839477. The reversal of 42839463 is 36493824.

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

It is an interprime number because it is at equal distance from previous prime (42839449) and next prime (42839477).

It is not a de Polignac number, because 42839463 - 2⁵ = 42839431 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 (42839663) 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, 7139908 + ... + 7139913.

It is an arithmetic number, because the mean of its divisors is an integer number (14279822).

Almost surely, 2^42839463 is an apocalyptic number.

42839463 is a deficient number, since it is larger than the sum of its proper divisors (14279825).

42839463 is a wasteful number, since it uses less digits than its factorization.

42839463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14279824.

The product of its digits is 124416, while the sum is 39.

The square root of 42839463 is about 6545.1862463951. The cubic root of 42839463 is about 349.9032739515.

The spelling of 42839463 in words is "forty-two million, eight hundred thirty-nine thousand, four hundred sixty-three".