42386851 has 8 divisors (see below), whose sum is σ = 45715824. Its totient is φ = 39067680.

The previous prime is 42386843. The next prime is 42386857. The reversal of 42386851 is 15868324.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42386851 - 2³ = 42386843 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42386851.

It is not an unprimeable number, because it can be changed into a prime (42386857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8316 + ... + 12406.

It is an arithmetic number, because the mean of its divisors is an integer number (5714478).

Almost surely, 2^42386851 is an apocalyptic number.

42386851 is a deficient number, since it is larger than the sum of its proper divisors (3328973).

42386851 is a wasteful number, since it uses less digits than its factorization.

42386851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901.

The product of its digits is 46080, while the sum is 37.

The square root of 42386851 is about 6510.5184893371. The cubic root of 42386851 is about 348.6666302090. Note that the first 4 decimals are identical.

The spelling of 42386851 in words is "forty-two million, three hundred eighty-six thousand, eight hundred fifty-one".