42246842 has 32 divisors (see below), whose sum is σ = 73267200. Its totient is φ = 18068400.

The previous prime is 42246839. The next prime is 42246857. The reversal of 42246842 is 24864224.

It is a junction number, because it is equal to n+sod(n) for n = 42246799 and 42246808.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 87959 + ... + 88437.

It is an arithmetic number, because the mean of its divisors is an integer number (2289600).

Almost surely, 2^42246842 is an apocalyptic number.

42246842 is a deficient number, since it is larger than the sum of its proper divisors (31020358).

42246842 is a wasteful number, since it uses less digits than its factorization.

42246842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722.

The product of its digits is 24576, while the sum is 32.

The square root of 42246842 is about 6499.7570723836. The cubic root of 42246842 is about 348.2823104427.

The spelling of 42246842 in words is "forty-two million, two hundred forty-six thousand, eight hundred forty-two".