42856346 has 16 divisors (see below), whose sum is σ = 69947304. Its totient is φ = 19574784.

The previous prime is 42856327. The next prime is 42856351. The reversal of 42856346 is 64365824.

It can be written as a sum of positive squares in 4 ways, for example, as 20151121 + 22705225 = 4489^2 + 4765^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5975 + ... + 11018.

Almost surely, 2^42856346 is an apocalyptic number.

42856346 is a deficient number, since it is larger than the sum of its proper divisors (27090958).

42856346 is a wasteful number, since it uses less digits than its factorization.

42856346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17105.

The product of its digits is 138240, while the sum is 38.

The square root of 42856346 is about 6546.4758458273. The cubic root of 42856346 is about 349.9492334531.

The spelling of 42856346 in words is "forty-two million, eight hundred fifty-six thousand, three hundred forty-six".