387199068 has 48 divisors (see below), whose sum is σ = 947842560. Its totient is φ = 122852800.

The previous prime is 387199063. The next prime is 387199069. The reversal of 387199068 is 860991783.

It is a self number, because there is not a number n which added to its sum of digits gives 387199068.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387199061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16873 + ... + 32543.

It is an arithmetic number, because the mean of its divisors is an integer number (19746720).

Almost surely, 2^387199068 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 387199068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473921280).

387199068 is an abundant number, since it is smaller than the sum of its proper divisors (560643492).

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

387199068 is a wasteful number, since it uses less digits than its factorization.

387199068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15778 (or 15776 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The square root of 387199068 is about 19677.3745199912. The cubic root of 387199068 is about 728.8610926418.

The spelling of 387199068 in words is "three hundred eighty-seven million, one hundred ninety-nine thousand, sixty-eight".