388299 has 8 divisors (see below), whose sum is σ = 525312. Its totient is φ = 255080.

The previous prime is 388277. The next prime is 388301. The reversal of 388299 is 992883.

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 388299 - 2¹² = 384203 is a prime.

It is a super-2 number, since 2×388299² = 301552226802, which contains 22 as substring.

It is a zygodrome in base 5.

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, 699 + ... + 1124.

It is an arithmetic number, because the mean of its divisors is an integer number (65664).

2³⁸⁸²⁹⁹ is an apocalyptic number.

388299 is a deficient number, since it is larger than the sum of its proper divisors (137013).

388299 is a wasteful number, since it uses less digits than its factorization.

388299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897.

The product of its digits is 31104, while the sum is 39.

The square root of 388299 is about 623.1364216606. The cubic root of 388299 is about 72.9550608503.

The spelling of 388299 in words is "three hundred eighty-eight thousand, two hundred ninety-nine".