388349 has 4 divisors (see below), whose sum is σ = 418236. Its totient is φ = 358464.

The previous prime is 388319. The next prime is 388351. The reversal of 388349 is 943883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943883 = 233 ⋅4051.

It can be written as a sum of positive squares in 2 ways, for example, as 232324 + 156025 = 482^2 + 395^2 .

It is a cyclic number.

It is not a de Polignac number, because 388349 - 2¹² = 384253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14924 + ... + 14949.

It is an arithmetic number, because the mean of its divisors is an integer number (104559).

2³⁸⁸³⁴⁹ is an apocalyptic number.

It is an amenable number.

388349 is a deficient number, since it is larger than the sum of its proper divisors (29887).

388349 is a wasteful number, since it uses less digits than its factorization.

388349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29886.

The product of its digits is 20736, while the sum is 35.

The square root of 388349 is about 623.1765399949. The cubic root of 388349 is about 72.9581921113.

It can be divided in two parts, 388 and 349, that added together give a palindrome (737).

The spelling of 388349 in words is "three hundred eighty-eight thousand, three hundred forty-nine".