42864693 has 8 divisors (see below), whose sum is σ = 57183168. Its totient is φ = 28561344.

The previous prime is 42864677. The next prime is 42864713. The reversal of 42864693 is 39646824.

It is a happy number.

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

It is not a de Polignac number, because 42864693 - 2⁴ = 42864677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42864673) 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, 9405 + ... + 13197.

It is an arithmetic number, because the mean of its divisors is an integer number (7147896).

Almost surely, 2^42864693 is an apocalyptic number.

It is an amenable number.

42864693 is a deficient number, since it is larger than the sum of its proper divisors (14318475).

42864693 is a wasteful number, since it uses less digits than its factorization.

42864693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7563.

The product of its digits is 248832, while the sum is 42.

The square root of 42864693 is about 6547.1133333707. The cubic root of 42864693 is about 349.9719514938.

The spelling of 42864693 in words is "forty-two million, eight hundred sixty-four thousand, six hundred ninety-three".