387183960 has 96 divisors (see below), whose sum is σ = 1279746000. Its totient is φ = 101493504.

The previous prime is 387183949. The next prime is 387183967. The reversal of 387183960 is 69381783.

It is a happy number.

387183960 is a `hidden beast` number, since 387 + 183 + 96 + 0 = 666.

It is a super-2 number, since 2×387183960² = 299822837762563200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387183967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12126 + ... + 30354.

Almost surely, 2^387183960 is an apocalyptic number.

387183960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 387183960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639873000).

387183960 is an abundant number, since it is smaller than the sum of its proper divisors (892562040).

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

387183960 is a wasteful number, since it uses less digits than its factorization.

387183960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18305 (or 18298 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 387183960 is about 19676.9906235684. The cubic root of 387183960 is about 728.8516127837.

The spelling of 387183960 in words is "three hundred eighty-seven million, one hundred eighty-three thousand, nine hundred sixty".