388251 has 12 divisors (see below), whose sum is σ = 566280. Its totient is φ = 256320.

The previous prime is 388237. The next prime is 388253. The reversal of 388251 is 152883.

It is a happy number.

It is not a de Polignac number, because 388251 - 2⁶ = 388187 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (388253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1491 + ... + 1731.

It is an arithmetic number, because the mean of its divisors is an integer number (47190).

2³⁸⁸²⁵¹ is an apocalyptic number.

388251 is a deficient number, since it is larger than the sum of its proper divisors (178029).

388251 is a wasteful number, since it uses less digits than its factorization.

388251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 423 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 388251 is about 623.0979056296. The cubic root of 388251 is about 72.9520545869.

The spelling of 388251 in words is "three hundred eighty-eight thousand, two hundred fifty-one".