387215466 has 32 divisors (see below), whose sum is σ = 859161600. Its totient is φ = 115348080.

The previous prime is 387215447. The next prime is 387215489. The reversal of 387215466 is 664512783.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45826 + ... + 53613.

It is an arithmetic number, because the mean of its divisors is an integer number (26848800).

Almost surely, 2^387215466 is an apocalyptic number.

387215466 is an abundant number, since it is smaller than the sum of its proper divisors (471946134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

387215466 is a wasteful number, since it uses less digits than its factorization.

387215466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99514.

The product of its digits is 241920, while the sum is 42.

The square root of 387215466 is about 19677.7911870210. The cubic root of 387215466 is about 728.8713816606.

The spelling of 387215466 in words is "three hundred eighty-seven million, two hundred fifteen thousand, four hundred sixty-six".