387410647 has 8 divisors (see below), whose sum is σ = 417773216. Its totient is φ = 357128352.

The previous prime is 387410629. The next prime is 387410663. The reversal of 387410647 is 746014783.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 13-Lehmer number, since φ(387410647) divides (387410647-1)¹³.

It is a cyclic number.

It is not a de Polignac number, because 387410647 - 2¹⁹ = 386886359 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 3 and base 9.

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387410677) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9843 + ... + 29524.

It is an arithmetic number, because the mean of its divisors is an integer number (52221652).

Almost surely, 2^387410647 is an apocalyptic number.

387410647 is a deficient number, since it is larger than the sum of its proper divisors (30362569).

387410647 is a wasteful number, since it uses less digits than its factorization.

387410647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40137.

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 387410647 is about 19682.7499857108. The cubic root of 387410647 is about 728.9938267946.

The spelling of 387410647 in words is "three hundred eighty-seven million, four hundred ten thousand, six hundred forty-seven".