42684653 has 8 divisors (see below), whose sum is σ = 46776576. Its totient is φ = 38628000.

The previous prime is 42684623. The next prime is 42684661. The reversal of 42684653 is 35648624.

42684653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42684653 - 2⁶ = 42684589 is a prime.

It is a super-3 number, since 3×42684653³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42684623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6248 + ... + 11153.

It is an arithmetic number, because the mean of its divisors is an integer number (5847072).

Almost surely, 2^42684653 is an apocalyptic number.

It is an amenable number.

42684653 is a deficient number, since it is larger than the sum of its proper divisors (4091923).

42684653 is a wasteful number, since it uses less digits than its factorization.

42684653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17635.

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

The square root of 42684653 is about 6533.3492941982. The cubic root of 42684653 is about 349.4812805884.

The spelling of 42684653 in words is "forty-two million, six hundred eighty-four thousand, six hundred fifty-three".