386409287 has 8 divisors (see below), whose sum is σ = 421681680. Its totient is φ = 351160960.

The previous prime is 386409277. The next prime is 386409293. The reversal of 386409287 is 782904683.

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 386409287 - 2¹² = 386405191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386409227) 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, 51593 + ... + 58605.

It is an arithmetic number, because the mean of its divisors is an integer number (52710210).

Almost surely, 2^386409287 is an apocalyptic number.

386409287 is a deficient number, since it is larger than the sum of its proper divisors (35272393).

386409287 is a wasteful number, since it uses less digits than its factorization.

386409287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12033.

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

The square root of 386409287 is about 19657.2960246317. The cubic root of 386409287 is about 728.3651957265.

The spelling of 386409287 in words is "three hundred eighty-six million, four hundred nine thousand, two hundred eighty-seven".