387682047 has 6 divisors (see below), whose sum is σ = 559985192. Its totient is φ = 258454692.

The previous prime is 387682037. The next prime is 387682051. The reversal of 387682047 is 740286783.

It is a happy number.

387682047 is a `hidden beast` number, since 387 + 68 + 204 + 7 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-387682047 is a prime.

It is a super-2 number, since 2×387682047² = 300594739132220418, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387681993 and 387682011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387682007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21537883 + ... + 21537900.

Almost surely, 2^387682047 is an apocalyptic number.

387682047 is a deficient number, since it is larger than the sum of its proper divisors (172303145).

387682047 is a wasteful number, since it uses less digits than its factorization.

387682047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43075789 (or 43075786 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 387682047 is about 19689.6431404939. The cubic root of 387682047 is about 729.1640189350.

The spelling of 387682047 in words is "three hundred eighty-seven million, six hundred eighty-two thousand, forty-seven".