387058642 has 8 divisors (see below), whose sum is σ = 581357196. Its totient is φ = 193272912.

The previous prime is 387058627. The next prime is 387058649. The reversal of 387058642 is 246850783.

It can be written as a sum of positive squares in 2 ways, for example, as 348606241 + 38452401 = 18671^2 + 6201^2 .

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

It is not an unprimeable number, because it can be changed into a prime (387058649) 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, 126313 + ... + 129340.

Almost surely, 2^387058642 is an apocalyptic number.

387058642 is a deficient number, since it is larger than the sum of its proper divisors (194298554).

387058642 is a wasteful number, since it uses less digits than its factorization.

387058642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256412.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 387058642 is about 19673.8059866412. The cubic root of 387058642 is about 728.7729696477.

The spelling of 387058642 in words is "three hundred eighty-seven million, fifty-eight thousand, six hundred forty-two".