388835053 has 4 divisors (see below), whose sum is σ = 390061980. Its totient is φ = 387608128.

The previous prime is 388835047. The next prime is 388835059. The reversal of 388835053 is 350538883.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (388835047) and next prime (388835059).

It can be written as a sum of positive squares in 2 ways, for example, as 205692964 + 183142089 = 14342^2 + 13533^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388835053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388835059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 612988 + ... + 613621.

It is an arithmetic number, because the mean of its divisors is an integer number (97515495).

Almost surely, 2^388835053 is an apocalyptic number.

It is an amenable number.

388835053 is a deficient number, since it is larger than the sum of its proper divisors (1226927).

388835053 is a wasteful number, since it uses less digits than its factorization.

388835053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226926.

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 388835053 is about 19718.9009075050. The cubic root of 388835053 is about 729.8861729071.

The spelling of 388835053 in words is "three hundred eighty-eight million, eight hundred thirty-five thousand, fifty-three".