387205242 has 8 divisors (see below), whose sum is σ = 774410496. Its totient is φ = 129068412.

The previous prime is 387205241. The next prime is 387205267. The reversal of 387205242 is 242502783.

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

387205242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (387205241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32267098 + ... + 32267109.

It is an arithmetic number, because the mean of its divisors is an integer number (96801312).

Almost surely, 2^387205242 is an apocalyptic number.

387205242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387205242 is a wasteful number, since it uses less digits than its factorization.

387205242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64534212.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 387205242 is about 19677.5314000512. The cubic root of 387205242 is about 728.8649665875.

The spelling of 387205242 in words is "three hundred eighty-seven million, two hundred five thousand, two hundred forty-two".