42881346 has 32 divisors (see below), whose sum is σ = 97096320. Its totient is φ = 14023152.

The previous prime is 42881329. The next prime is 42881359. The reversal of 42881346 is 64318824.

It is a self number, because there is not a number n which added to its sum of digits gives 42881346.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4630 + ... + 10353.

It is an arithmetic number, because the mean of its divisors is an integer number (3034260).

Almost surely, 2^42881346 is an apocalyptic number.

42881346 is an abundant number, since it is smaller than the sum of its proper divisors (54214974).

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

42881346 is a wasteful number, since it uses less digits than its factorization.

42881346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15047 (or 15041 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 42881346 is about 6548.3849917365. The cubic root of 42881346 is about 350.0172671753.

The spelling of 42881346 in words is "forty-two million, eight hundred eighty-one thousand, three hundred forty-six".