387252684 has 216 divisors, whose sum is σ = 1267575120. Its totient is φ = 101896704.

The previous prime is 387252683. The next prime is 387252727. The reversal of 387252684 is 486252783.

387252684 is a `hidden beast` number, since 387 + 2 + 5 + 268 + 4 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (387252683) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 894132 + ... + 894564.

Almost surely, 2^387252684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387252684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633787560).

387252684 is an abundant number, since it is smaller than the sum of its proper divisors (880322436).

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

387252684 is a wasteful number, since it uses less digits than its factorization.

387252684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 458 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 387252684 is about 19678.7368497066. The cubic root of 387252684 is about 728.8947332296.

Subtracting 387252684 from its reverse (486252783), we obtain a palindrome (99000099).

The spelling of 387252684 in words is "three hundred eighty-seven million, two hundred fifty-two thousand, six hundred eighty-four".