387340 has 24 divisors (see below), whose sum is σ = 825552. Its totient is φ = 152640.

The previous prime is 387329. The next prime is 387341. The reversal of 387340 is 43783.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (387341) by changing a digit.

387340 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 7 ways as a sum of consecutive naturals, for example, 2050 + ... + 2230.

It is an arithmetic number, because the mean of its divisors is an integer number (34398).

2³⁸⁷³⁴⁰ is an apocalyptic number.

It is an amenable number.

387340 is an abundant number, since it is smaller than the sum of its proper divisors (438212).

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

387340 is a wasteful number, since it uses less digits than its factorization.

387340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 387340 is about 622.3664515380. The cubic root of 387340 is about 72.8949511752.

It can be divided in two parts, 387 and 340, that added together give a palindrome (727).

The spelling of 387340 in words is "three hundred eighty-seven thousand, three hundred forty".