387242375 has 48 divisors (see below), whose sum is σ = 546751296. Its totient is φ = 273187200.

The previous prime is 387242357. The next prime is 387242389. The reversal of 387242375 is 573242783.

387242375 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-387242375 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 485477 + ... + 486273.

It is an arithmetic number, because the mean of its divisors is an integer number (11390652).

Almost surely, 2^387242375 is an apocalyptic number.

387242375 is a deficient number, since it is larger than the sum of its proper divisors (159508921).

387242375 is a wasteful number, since it uses less digits than its factorization.

387242375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861 (or 838 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 387242375 is about 19678.4749155009. The cubic root of 387242375 is about 728.8882652370. Note that the first 3 decimals are identical.

The spelling of 387242375 in words is "three hundred eighty-seven million, two hundred forty-two thousand, three hundred seventy-five".