388226 has 4 divisors (see below), whose sum is σ = 582342. Its totient is φ = 194112.

The previous prime is 388211. The next prime is 388231. The reversal of 388226 is 622883.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 366025 + 22201 = 605^2 + 149^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97055 + ... + 97058.

2³⁸⁸²²⁶ is an apocalyptic number.

388226 is a deficient number, since it is larger than the sum of its proper divisors (194116).

388226 is a wasteful number, since it uses less digits than its factorization.

388226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194115.

The product of its digits is 4608, while the sum is 29.

The square root of 388226 is about 623.0778442538. The cubic root of 388226 is about 72.9504887266.

The spelling of 388226 in words is "three hundred eighty-eight thousand, two hundred twenty-six".