388850042 has 8 divisors (see below), whose sum is σ = 666600096. Its totient is φ = 166650012.

The previous prime is 388850039. The next prime is 388850053. The reversal of 388850042 is 240058883.

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

It is a junction number, because it is equal to n+sod(n) for n = 388849978 and 388850005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13887488 + ... + 13887515.

It is an arithmetic number, because the mean of its divisors is an integer number (83325012).

Almost surely, 2^388850042 is an apocalyptic number.

388850042 is a deficient number, since it is larger than the sum of its proper divisors (277750054).

388850042 is a wasteful number, since it uses less digits than its factorization.

388850042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27775012.

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 388850042 is about 19719.2809706642. The cubic root of 388850042 is about 729.8955514539.

The spelling of 388850042 in words is "three hundred eighty-eight million, eight hundred fifty thousand, forty-two".