647962 has 16 divisors (see below), whose sum is σ = 1147392. Its totient is φ = 268560.

The previous prime is 647953. The next prime is 647963. The reversal of 647962 is 269746.

647962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 6⁶ + 4⁹ + 9⁵ + 7² + 6⁷ + 2⁷ .

It is not an unprimeable number, because it can be changed into a prime (647963) 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, 313 + ... + 1180.

It is an arithmetic number, because the mean of its divisors is an integer number (71712).

2⁶⁴⁷⁹⁶² is an apocalyptic number.

647962 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

647962 is a deficient number, since it is larger than the sum of its proper divisors (499430).

647962 is a wasteful number, since it uses less digits than its factorization.

647962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1533.

The product of its digits is 18144, while the sum is 34.

The square root of 647962 is about 804.9608686141. The cubic root of 647962 is about 86.5332826581.

The spelling of 647962 in words is "six hundred forty-seven thousand, nine hundred sixty-two".