647450952 has 16 divisors (see below), whose sum is σ = 1618627440. Its totient is φ = 215816976.

The previous prime is 647450939. The next prime is 647450963. The reversal of 647450952 is 259054746.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 13488538 + ... + 13488585.

It is an arithmetic number, because the mean of its divisors is an integer number (101164215).

Almost surely, 2^647450952 is an apocalyptic number.

It is an amenable number.

647450952 is an abundant number, since it is smaller than the sum of its proper divisors (971176488).

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

647450952 is a wasteful number, since it uses less digits than its factorization.

647450952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26977132 (or 26977128 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 647450952 is about 25445.0575161464. The cubic root of 647450952 is about 865.1052705810.

The spelling of 647450952 in words is "six hundred forty-seven million, four hundred fifty thousand, nine hundred fifty-two".