387543156 has 216 divisors, whose sum is σ = 1248135840. Its totient is φ = 92695680.

The previous prime is 387543151. The next prime is 387543179. The reversal of 387543156 is 651345783.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387543151) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 924715 + ... + 925133.

Almost surely, 2^387543156 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 387543156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (624067920).

387543156 is an abundant number, since it is smaller than the sum of its proper divisors (860592684).

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

387543156 is a wasteful number, since it uses less digits than its factorization.

387543156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 455 counting only the distinct ones).

The product of its digits is 302400, while the sum is 42.

The square root of 387543156 is about 19686.1158180074. The cubic root of 387543156 is about 729.0769317483.

The spelling of 387543156 in words is "three hundred eighty-seven million, five hundred forty-three thousand, one hundred fifty-six".