42856382 has 4 divisors (see below), whose sum is σ = 64284576. Its totient is φ = 21428190.

The previous prime is 42856351. The next prime is 42856391. The reversal of 42856382 is 28365824.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10714094 + ... + 10714097.

It is an arithmetic number, because the mean of its divisors is an integer number (16071144).

Almost surely, 2^42856382 is an apocalyptic number.

42856382 is a deficient number, since it is larger than the sum of its proper divisors (21428194).

42856382 is a wasteful number, since it uses less digits than its factorization.

42856382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21428193.

The product of its digits is 92160, while the sum is 38.

The square root of 42856382 is about 6546.4785953977. The cubic root of 42856382 is about 349.9493314407.

The spelling of 42856382 in words is "forty-two million, eight hundred fifty-six thousand, three hundred eighty-two".