387338861 has 8 divisors (see below), whose sum is σ = 476724864. Its totient is φ = 306465840.

The previous prime is 387338827. The next prime is 387338879. The reversal of 387338861 is 168833783.

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

It is a cyclic number.

It is not a de Polignac number, because 387338861 - 2¹⁴ = 387322477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387338881) 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, 2128145 + ... + 2128326.

It is an arithmetic number, because the mean of its divisors is an integer number (59590608).

Almost surely, 2^387338861 is an apocalyptic number.

It is an amenable number.

387338861 is a deficient number, since it is larger than the sum of its proper divisors (89386003).

387338861 is a wasteful number, since it uses less digits than its factorization.

387338861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4256491.

The product of its digits is 580608, while the sum is 47.

The square root of 387338861 is about 19680.9263247440. The cubic root of 387338861 is about 728.9487972427.

The spelling of 387338861 in words is "three hundred eighty-seven million, three hundred thirty-eight thousand, eight hundred sixty-one".