388377 has 12 divisors (see below), whose sum is σ = 612144. Its totient is φ = 235320.

The previous prime is 388373. The next prime is 388391. The reversal of 388377 is 773883.

It is not a de Polignac number, because 388377 - 2² = 388373 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (388373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1863 + ... + 2060.

It is an arithmetic number, because the mean of its divisors is an integer number (51012).

2³⁸⁸³⁷⁷ is an apocalyptic number.

It is an amenable number.

388377 is a deficient number, since it is larger than the sum of its proper divisors (223767).

388377 is a wasteful number, since it uses less digits than its factorization.

388377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3940 (or 3937 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 388377 is about 623.1990051340. The cubic root of 388377 is about 72.9599455000.

The spelling of 388377 in words is "three hundred eighty-eight thousand, three hundred seventy-seven".