387341863 has 4 divisors (see below), whose sum is σ = 397810600. Its totient is φ = 376873128.

The previous prime is 387341813. The next prime is 387341879. The reversal of 387341863 is 368143783.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387341863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387341813) 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, 5234313 + ... + 5234386.

It is an arithmetic number, because the mean of its divisors is an integer number (99452650).

Almost surely, 2^387341863 is an apocalyptic number.

387341863 is a deficient number, since it is larger than the sum of its proper divisors (10468737).

387341863 is a wasteful number, since it uses less digits than its factorization.

387341863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10468736.

The product of its digits is 290304, while the sum is 43.

The square root of 387341863 is about 19681.0025913316. The cubic root of 387341863 is about 728.9506804333.

The spelling of 387341863 in words is "three hundred eighty-seven million, three hundred forty-one thousand, eight hundred sixty-three".