387140 has 24 divisors (see below), whose sum is σ = 876120. Its totient is φ = 142848.

The previous prime is 387137. The next prime is 387151. The reversal of 387140 is 41783.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 256 + 386884 = 16^2 + 622^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485 + ... + 1004.

It is an arithmetic number, because the mean of its divisors is an integer number (36505).

2³⁸⁷¹⁴⁰ is an apocalyptic number.

It is an amenable number.

387140 is an abundant number, since it is smaller than the sum of its proper divisors (488980).

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

387140 is a wasteful number, since it uses less digits than its factorization.

387140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1509 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 387140 is about 622.2057537503. The cubic root of 387140 is about 72.8824027680.

The spelling of 387140 in words is "three hundred eighty-seven thousand, one hundred forty".