387842364 has 384 divisors, whose sum is σ = 1364787200. Its totient is φ = 92378880.

The previous prime is 387842339. The next prime is 387842423. The reversal of 387842364 is 463248783.

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 5788659 + ... + 5788725.

Almost surely, 2^387842364 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 387842364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682393600).

387842364 is an abundant number, since it is smaller than the sum of its proper divisors (976944836).

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

387842364 is a wasteful number, since it uses less digits than its factorization.

387842364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150 (or 142 counting only the distinct ones).

The product of its digits is 774144, while the sum is 45.

The square root of 387842364 is about 19693.7138193892. The cubic root of 387842364 is about 729.2645147573.

The spelling of 387842364 in words is "three hundred eighty-seven million, eight hundred forty-two thousand, three hundred sixty-four".