388120479 has 4 divisors (see below), whose sum is σ = 517493976. Its totient is φ = 258746984.

The previous prime is 388120307. The next prime is 388120493. The reversal of 388120479 is 974021883.

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 388120479 - 2¹¹ = 388118431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 388120479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388121479) 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, 64686744 + ... + 64686749.

It is an arithmetic number, because the mean of its divisors is an integer number (129373494).

Almost surely, 2^388120479 is an apocalyptic number.

388120479 is a deficient number, since it is larger than the sum of its proper divisors (129373497).

388120479 is a wasteful number, since it uses less digits than its factorization.

388120479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129373496.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 388120479 is about 19700.7735634924. The cubic root of 388120479 is about 729.4387873993.

The spelling of 388120479 in words is "three hundred eighty-eight million, one hundred twenty thousand, four hundred seventy-nine".