388465347 has 4 divisors (see below), whose sum is σ = 517953800. Its totient is φ = 258976896.

The previous prime is 388465333. The next prime is 388465369. The reversal of 388465347 is 743564883.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 743564883 = 3 ⋅247854961.

It is not a de Polignac number, because 388465347 - 2¹⁸ = 388203203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 388465296 and 388465305.

It is not an unprimeable number, because it can be changed into a prime (388465307) 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, 64744222 + ... + 64744227.

It is an arithmetic number, because the mean of its divisors is an integer number (129488450).

Almost surely, 2^388465347 is an apocalyptic number.

388465347 is a deficient number, since it is larger than the sum of its proper divisors (129488453).

388465347 is a wasteful number, since it uses less digits than its factorization.

388465347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129488452.

The product of its digits is 1935360, while the sum is 48.

The square root of 388465347 is about 19709.5242712755. The cubic root of 388465347 is about 729.6547732743.

The spelling of 388465347 in words is "three hundred eighty-eight million, four hundred sixty-five thousand, three hundred forty-seven".