387045668 has 6 divisors (see below), whose sum is σ = 677329926. Its totient is φ = 193522832.

The previous prime is 387045661. The next prime is 387045677. The reversal of 387045668 is 866540783.

It can be written as a sum of positive squares in only one way, i.e., 374499904 + 12545764 = 19352^2 + 3542^2 .

It is not an unprimeable number, because it can be changed into a prime (387045661) 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 as a sum of consecutive naturals, namely, 48380705 + ... + 48380712.

It is an arithmetic number, because the mean of its divisors is an integer number (112888321).

Almost surely, 2^387045668 is an apocalyptic number.

It is an amenable number.

387045668 is a deficient number, since it is larger than the sum of its proper divisors (290284258).

387045668 is a wasteful number, since it uses less digits than its factorization.

387045668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96761421 (or 96761419 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 387045668 is about 19673.4762561170. The cubic root of 387045668 is about 728.7648268625.

The spelling of 387045668 in words is "three hundred eighty-seven million, forty-five thousand, six hundred sixty-eight".