42858336 has 24 divisors (see below), whose sum is σ = 112503384. Its totient is φ = 14286080.

The previous prime is 42858329. The next prime is 42858391. The reversal of 42858336 is 63385824.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 42858294 and 42858303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223125 + ... + 223316.

It is an arithmetic number, because the mean of its divisors is an integer number (4687641).

Almost surely, 2^42858336 is an apocalyptic number.

It is an amenable number.

42858336 is an abundant number, since it is smaller than the sum of its proper divisors (69645048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42858336 is a wasteful number, since it uses less digits than its factorization.

42858336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446454 (or 446446 counting only the distinct ones).

The product of its digits is 138240, while the sum is 39.

The square root of 42858336 is about 6546.6278342365. The cubic root of 42858336 is about 349.9546499065.

It can be divided in two parts, 4285 and 8336, that added together give a palindrome (12621).

The spelling of 42858336 in words is "forty-two million, eight hundred fifty-eight thousand, three hundred thirty-six".