387106450 has 12 divisors (see below), whose sum is σ = 720018090. Its totient is φ = 154842560.

The previous prime is 387106381. The next prime is 387106451. The reversal of 387106450 is 54601783.

It can be written as a sum of positive squares in 3 ways, for example, as 334268089 + 52838361 = 18283^2 + 7269^2 .

It is not an unprimeable number, because it can be changed into a prime (387106451) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 3871015 + ... + 3871114.

Almost surely, 2^387106450 is an apocalyptic number.

387106450 is a deficient number, since it is larger than the sum of its proper divisors (332911640).

387106450 is a wasteful number, since it uses less digits than its factorization.

387106450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7742141 (or 7742136 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 387106450 is about 19675.0209656813. The cubic root of 387106450 is about 728.8029734938.

The spelling of 387106450 in words is "three hundred eighty-seven million, one hundred six thousand, four hundred fifty".