42829243 has 4 divisors (see below), whose sum is σ = 44691408. Its totient is φ = 40967080.

The previous prime is 42829231. The next prime is 42829277. The reversal of 42829243 is 34292824.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42829243 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42829199 and 42829208.

It is not an unprimeable number, because it can be changed into a prime (42629243) 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, 931048 + ... + 931093.

It is an arithmetic number, because the mean of its divisors is an integer number (11172852).

Almost surely, 2^42829243 is an apocalyptic number.

42829243 is a deficient number, since it is larger than the sum of its proper divisors (1862165).

42829243 is a wasteful number, since it uses less digits than its factorization.

42829243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862164.

The product of its digits is 27648, while the sum is 34.

The square root of 42829243 is about 6544.4054733795. The cubic root of 42829243 is about 349.8754468375.

The spelling of 42829243 in words is "forty-two million, eight hundred twenty-nine thousand, two hundred forty-three".