387849 has 32 divisors (see below), whose sum is σ = 681984. Its totient is φ = 190080.

The previous prime is 387839. The next prime is 387853. The reversal of 387849 is 948783.

It is not a de Polignac number, because 387849 - 2⁷ = 387721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5277 + ... + 5349.

It is an arithmetic number, because the mean of its divisors is an integer number (21312).

2³⁸⁷⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

387849 is a deficient number, since it is larger than the sum of its proper divisors (294135).

387849 is a wasteful number, since it uses less digits than its factorization.

387849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117.

The product of its digits is 48384, while the sum is 39.

The square root of 387849 is about 622.7752403556. The cubic root of 387849 is about 72.9268673983.

It can be divided in two parts, 38 and 7849, that added together give a palindrome (7887).

The spelling of 387849 in words is "three hundred eighty-seven thousand, eight hundred forty-nine".