388949883 has 16 divisors (see below), whose sum is σ = 608705280. Its totient is φ = 216249696.

The previous prime is 388949879. The next prime is 388949909.

388949883 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 388949883 - 2² = 388949879 is a prime.

It is a super-2 number, since 2×388949883² = 302564022971427378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (388949833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249513 + ... + 251066.

It is an arithmetic number, because the mean of its divisors is an integer number (38044080).

Almost surely, 2^388949883 is an apocalyptic number.

388949883 is a deficient number, since it is larger than the sum of its proper divisors (219755397).

388949883 is a wasteful number, since it uses less digits than its factorization.

388949883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500626.

The product of its digits is 11943936, while the sum is 60.

The square root of 388949883 is about 19721.8123660073. The cubic root of 388949883 is about 729.9580153498.

The spelling of 388949883 in words is "three hundred eighty-eight million, nine hundred forty-nine thousand, eight hundred eighty-three".