387459856 has 135 divisors (see below), whose sum is σ = 947230389. Its totient is φ = 153062784.

The previous prime is 387459841. The next prime is 387459899. The reversal of 387459856 is 658954783.

The square root of 387459856 is 19684.

It is a perfect power (a square), and thus also a powerful number.

387459856 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 346704400 + 40755456 = 18620^2 + 6384^2 .

It is a junction number, because it is equal to n+sod(n) for n = 387459797 and 387459806.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 10471870 + ... + 10471906.

Almost surely, 2^387459856 is an apocalyptic number.

387459856 is the 19684-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387459856

387459856 is an abundant number, since it is smaller than the sum of its proper divisors (559770533).

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

387459856 is a wasteful number, since it uses less digits than its factorization.

387459856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134 (or 65 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 55.

The cubic root of 387459856 is about 729.0246911490.

The spelling of 387459856 in words is "three hundred eighty-seven million, four hundred fifty-nine thousand, eight hundred fifty-six".