387686351 has 8 divisors (see below), whose sum is σ = 417662784. Its totient is φ = 357732000.

The previous prime is 387686339. The next prime is 387686363. The reversal of 387686351 is 153686783.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (387686339) and next prime (387686363).

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 387686351 - 2¹⁰ = 387685327 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 387686296 and 387686305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387686371) 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, 58625 + ... + 64901.

It is an arithmetic number, because the mean of its divisors is an integer number (52207848).

Almost surely, 2^387686351 is an apocalyptic number.

387686351 is a deficient number, since it is larger than the sum of its proper divisors (29976433).

387686351 is a wasteful number, since it uses less digits than its factorization.

387686351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041.

The product of its digits is 725760, while the sum is 47.

The square root of 387686351 is about 19689.7524362294. The cubic root of 387686351 is about 729.1667172891.

The spelling of 387686351 in words is "three hundred eighty-seven million, six hundred eighty-six thousand, three hundred fifty-one".