388061563 has 4 divisors (see below), whose sum is σ = 396318240. Its totient is φ = 379804888.

The previous prime is 388061561. The next prime is 388061579. The reversal of 388061563 is 365160883.

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

It is a cyclic number.

It is not a de Polignac number, because 388061563 - 2¹ = 388061561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388061561) 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, 4128268 + ... + 4128361.

It is an arithmetic number, because the mean of its divisors is an integer number (99079560).

Almost surely, 2^388061563 is an apocalyptic number.

388061563 is a deficient number, since it is larger than the sum of its proper divisors (8256677).

388061563 is an equidigital number, since it uses as much as digits as its factorization.

388061563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8256676.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 388061563 is about 19699.2782355090. The cubic root of 388061563 is about 729.4018763604.

The spelling of 388061563 in words is "three hundred eighty-eight million, sixty-one thousand, five hundred sixty-three".