387825634 has 16 divisors (see below), whose sum is σ = 672856128. Its totient is φ = 164207952.

The previous prime is 387825619. The next prime is 387825637. The reversal of 387825634 is 436528783.

It is not an unprimeable number, because it can be changed into a prime (387825637) by changing a digit.

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, 165717 + ... + 168040.

It is an arithmetic number, because the mean of its divisors is an integer number (42053508).

Almost surely, 2^387825634 is an apocalyptic number.

387825634 is a deficient number, since it is larger than the sum of its proper divisors (285030494).

387825634 is a wasteful number, since it uses less digits than its factorization.

387825634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333849.

The product of its digits is 967680, while the sum is 46.

The square root of 387825634 is about 19693.2890599818. The cubic root of 387825634 is about 729.2540287352.

The spelling of 387825634 in words is "three hundred eighty-seven million, eight hundred twenty-five thousand, six hundred thirty-four".