387424242 has 16 divisors (see below), whose sum is σ = 860942880. Its totient is φ = 129141396.

The previous prime is 387424189. The next prime is 387424313. The reversal of 387424242 is 242424783.

It is a junction number, because it is equal to n+sod(n) for n = 387424197 and 387424206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3587208 + ... + 3587315.

It is an arithmetic number, because the mean of its divisors is an integer number (53808930).

Almost surely, 2^387424242 is an apocalyptic number.

387424242 is an abundant number, since it is smaller than the sum of its proper divisors (473518638).

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

387424242 is a wasteful number, since it uses less digits than its factorization.

387424242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7174534 (or 7174528 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 387424242 is about 19683.0953358459. The cubic root of 387424242 is about 729.0023539696.

The spelling of 387424242 in words is "three hundred eighty-seven million, four hundred twenty-four thousand, two hundred forty-two".