388949 has 8 divisors (see below), whose sum is σ = 446880. Its totient is φ = 334800.

The previous prime is 388937. The next prime is 388961. The reversal of 388949 is 949883.

It is an interprime number because it is at equal distance from previous prime (388937) and next prime (388961).

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 388949 - 2⁴ = 388933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722 + ... + 1139.

It is an arithmetic number, because the mean of its divisors is an integer number (55860).

2³⁸⁸⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

388949 is a deficient number, since it is larger than the sum of its proper divisors (57931).

388949 is a wasteful number, since it uses less digits than its factorization.

388949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891.

The product of its digits is 62208, while the sum is 41.

The square root of 388949 is about 623.6577587107. The cubic root of 388949 is about 72.9957462962.

The spelling of 388949 in words is "three hundred eighty-eight thousand, nine hundred forty-nine".