42393799 has 8 divisors (see below), whose sum is σ = 49364640. Its totient is φ = 35651616.

The previous prime is 42393797. The next prime is 42393821. The reversal of 42393799 is 99739324.

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

It is not a de Polignac number, because 42393799 - 2¹ = 42393797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42393797) 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, 56764 + ... + 57505.

It is an arithmetic number, because the mean of its divisors is an integer number (6170580).

Almost surely, 2^42393799 is an apocalyptic number.

42393799 is a deficient number, since it is larger than the sum of its proper divisors (6970841).

42393799 is a wasteful number, since it uses less digits than its factorization.

42393799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114329.

The product of its digits is 367416, while the sum is 46.

The square root of 42393799 is about 6511.0520655267. The cubic root of 42393799 is about 348.6856801686.

The spelling of 42393799 in words is "forty-two million, three hundred ninety-three thousand, seven hundred ninety-nine".