387649602 has 12 divisors (see below), whose sum is σ = 839907510. Its totient is φ = 129216528.

The previous prime is 387649573. The next prime is 387649607. The reversal of 387649602 is 206946783.

387649602 is a `hidden beast` number, since 38 + 7 + 6 + 4 + 9 + 602 = 666.

It can be written as a sum of positive squares in only one way, i.e., 290054961 + 97594641 = 17031^2 + 9879^2 .

It is not an unprimeable number, because it can be changed into a prime (387649607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10768027 + ... + 10768062.

Almost surely, 2^387649602 is an apocalyptic number.

387649602 is an abundant number, since it is smaller than the sum of its proper divisors (452257908).

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

387649602 is a wasteful number, since it uses less digits than its factorization.

387649602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21536097 (or 21536094 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 387649602 is about 19688.8192129442. The cubic root of 387649602 is about 729.1436771912.

The spelling of 387649602 in words is "three hundred eighty-seven million, six hundred forty-nine thousand, six hundred two".