388229 has 8 divisors (see below), whose sum is σ = 421848. Its totient is φ = 355840.

The previous prime is 388211. The next prime is 388231. The reversal of 388229 is 922883.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 100 + 388129 = 10^2 + 623^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 388229 - 2⁸ = 387973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 388195 and 388204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419 + ... + 975.

It is an arithmetic number, because the mean of its divisors is an integer number (52731).

2³⁸⁸²²⁹ is an apocalyptic number.

It is an amenable number.

388229 is a deficient number, since it is larger than the sum of its proper divisors (33619).

388229 is a wasteful number, since it uses less digits than its factorization.

388229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its digits is 6912, while the sum is 32.

The square root of 388229 is about 623.0802516530. The cubic root of 388229 is about 72.9506766334.

The spelling of 388229 in words is "three hundred eighty-eight thousand, two hundred twenty-nine".