387156 has 48 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 100320.

The previous prime is 387151. The next prime is 387161. The reversal of 387156 is 651783.

It is an interprime number because it is at equal distance from previous prime (387151) and next prime (387161).

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387151) by changing a digit.

387156 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 715 + ... + 1133.

It is an arithmetic number, because the mean of its divisors is an integer number (23520).

2³⁸⁷¹⁵⁶ 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 387156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564480).

387156 is an abundant number, since it is smaller than the sum of its proper divisors (741804).

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

387156 is a wasteful number, since it uses less digits than its factorization.

387156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444 (or 442 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 387156 is about 622.2186111006. The cubic root of 387156 is about 72.8834067996.

The spelling of 387156 in words is "three hundred eighty-seven thousand, one hundred fifty-six".