387989050 has 24 divisors (see below), whose sum is σ = 723141216. Its totient is φ = 154877040.

The previous prime is 387989029. The next prime is 387989051. The reversal of 387989050 is 50989783.

It is a junction number, because it is equal to n+sod(n) for n = 387988985 and 387989003.

It is not an unprimeable number, because it can be changed into a prime (387989051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17437 + ... + 32863.

It is an arithmetic number, because the mean of its divisors is an integer number (30130884).

Almost surely, 2^387989050 is an apocalyptic number.

387989050 is a deficient number, since it is larger than the sum of its proper divisors (335152166).

387989050 is a wasteful number, since it uses less digits than its factorization.

387989050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15942 (or 15937 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 387989050 is about 19697.4376506184. The cubic root of 387989050 is about 729.3564416338.

It can be divided in two parts, 3879 and 89050, that added together give a palindrome (92929).

The spelling of 387989050 in words is "three hundred eighty-seven million, nine hundred eighty-nine thousand, fifty".