42693393 has 16 divisors (see below), whose sum is σ = 57968640. Its totient is φ = 27944064.

The previous prime is 42693377. The next prime is 42693401. The reversal of 42693393 is 39339624.

It is not a de Polignac number, because 42693393 - 2⁴ = 42693377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42693353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83623 + ... + 84131.

It is an arithmetic number, because the mean of its divisors is an integer number (3623040).

Almost surely, 2^42693393 is an apocalyptic number.

It is an amenable number.

42693393 is a deficient number, since it is larger than the sum of its proper divisors (15275247).

42693393 is a wasteful number, since it uses less digits than its factorization.

42693393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968.

The product of its digits is 104976, while the sum is 39.

The square root of 42693393 is about 6534.0181358793. The cubic root of 42693393 is about 349.5051319240.

The spelling of 42693393 in words is "forty-two million, six hundred ninety-three thousand, three hundred ninety-three".