388007 has 4 divisors (see below), whose sum is σ = 389256. Its totient is φ = 386760.

The previous prime is 387977. The next prime is 388009. The reversal of 388007 is 700883.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 388007 - 2¹⁸ = 125863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 257 + ... + 917.

It is an arithmetic number, because the mean of its divisors is an integer number (97314).

2³⁸⁸⁰⁰⁷ is an apocalyptic number.

388007 is a deficient number, since it is larger than the sum of its proper divisors (1249).

388007 is an equidigital number, since it uses as much as digits as its factorization.

388007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 388007 is about 622.9020789819. The cubic root of 388007 is about 72.9367689156.

The spelling of 388007 in words is "three hundred eighty-eight thousand, seven".