388288801 has 4 divisors (see below), whose sum is σ = 401678100. Its totient is φ = 374899504.

The previous prime is 388288781. The next prime is 388288811. The reversal of 388288801 is 108882883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108882883 = 277 ⋅393079.

It can be written as a sum of positive squares in 2 ways, for example, as 255232576 + 133056225 = 15976^2 + 11535^2 .

It is a cyclic number.

It is not a de Polignac number, because 388288801 - 2⁷ = 388288673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388288811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6694606 + ... + 6694663.

It is an arithmetic number, because the mean of its divisors is an integer number (100419525).

Almost surely, 2^388288801 is an apocalyptic number.

It is an amenable number.

388288801 is a deficient number, since it is larger than the sum of its proper divisors (13389299).

388288801 is a wasteful number, since it uses less digits than its factorization.

388288801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13389298.

The product of its (nonzero) digits is 196608, while the sum is 46.

The square root of 388288801 is about 19705.0450646529. The cubic root of 388288801 is about 729.5442210272.

The spelling of 388288801 in words is "three hundred eighty-eight million, two hundred eighty-eight thousand, eight hundred one".