388838049 has 8 divisors (see below), whose sum is σ = 519572352. Its totient is φ = 258664560.

The previous prime is 388838039. The next prime is 388838057. The reversal of 388838049 is 940838883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 388838049 - 2¹⁵ = 388805281 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 388837992 and 388838010.

It is not an unprimeable number, because it can be changed into a prime (388838039) 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, 138582 + ... + 141359.

It is an arithmetic number, because the mean of its divisors is an integer number (64946544).

Almost surely, 2^388838049 is an apocalyptic number.

It is an amenable number.

388838049 is a deficient number, since it is larger than the sum of its proper divisors (130734303).

388838049 is a wasteful number, since it uses less digits than its factorization.

388838049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280407.

The product of its (nonzero) digits is 1327104, while the sum is 51.

The square root of 388838049 is about 19718.9768750815. The cubic root of 388838049 is about 729.8880475094. Note that the first 3 decimals are identical.

The spelling of 388838049 in words is "three hundred eighty-eight million, eight hundred thirty-eight thousand, forty-nine".