388347482 has 4 divisors (see below), whose sum is σ = 582521226. Its totient is φ = 194173740.

The previous prime is 388347431. The next prime is 388347521. The reversal of 388347482 is 284743883.

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

It can be written as a sum of positive squares in only one way, i.e., 256992961 + 131354521 = 16031^2 + 11461^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97086869 + ... + 97086872.

Almost surely, 2^388347482 is an apocalyptic number.

388347482 is a deficient number, since it is larger than the sum of its proper divisors (194173744).

388347482 is a wasteful number, since it uses less digits than its factorization.

388347482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194173743.

The product of its digits is 1032192, while the sum is 47.

The square root of 388347482 is about 19706.5339925620. The cubic root of 388347482 is about 729.5809705016.

The spelling of 388347482 in words is "three hundred eighty-eight million, three hundred forty-seven thousand, four hundred eighty-two".