387047371 has 4 divisors (see below), whose sum is σ = 387092232. Its totient is φ = 387002512.

The previous prime is 387047351. The next prime is 387047377. The reversal of 387047371 is 173740783.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 387047371 - 2¹³ = 387039179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387047377) 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, 4945 + ... + 28258.

It is an arithmetic number, because the mean of its divisors is an integer number (96773058).

Almost surely, 2^387047371 is an apocalyptic number.

387047371 is a deficient number, since it is larger than the sum of its proper divisors (44861).

387047371 is a wasteful number, since it uses less digits than its factorization.

387047371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44860.

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 387047371 is about 19673.5195376933. The cubic root of 387047371 is about 728.7658957154.

The spelling of 387047371 in words is "three hundred eighty-seven million, forty-seven thousand, three hundred seventy-one".