42834215 has 8 divisors (see below), whose sum is σ = 51593760. Its totient is φ = 34138912.

The previous prime is 42834199. The next prime is 42834241. The reversal of 42834215 is 51243824.

It is a happy number.

42834215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42834215 - 2⁴ = 42834199 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 14579 + ... + 17268.

It is an arithmetic number, because the mean of its divisors is an integer number (6449220).

Almost surely, 2^42834215 is an apocalyptic number.

42834215 is a deficient number, since it is larger than the sum of its proper divisors (8759545).

42834215 is a wasteful number, since it uses less digits than its factorization.

42834215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32121.

The product of its digits is 7680, while the sum is 29.

The square root of 42834215 is about 6544.7853287942. The cubic root of 42834215 is about 349.8889851996. Note that the first 3 decimals are identical.

It can be divided in two parts, 428 and 34215, that added together give a palindrome (34643).

The spelling of 42834215 in words is "forty-two million, eight hundred thirty-four thousand, two hundred fifteen".