647602 has 4 divisors (see below), whose sum is σ = 971406. Its totient is φ = 323800.

The previous prime is 647593. The next prime is 647609. The reversal of 647602 is 206746.

647602 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 436921 + 210681 = 661^2 + 459^2 .

It is not an unprimeable number, because it can be changed into a prime (647609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161899 + ... + 161902.

2⁶⁴⁷⁶⁰² is an apocalyptic number.

647602 is a deficient number, since it is larger than the sum of its proper divisors (323804).

647602 is a wasteful number, since it uses less digits than its factorization.

647602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323803.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 647602 is about 804.7372241918. The cubic root of 647602 is about 86.5172540676.

The spelling of 647602 in words is "six hundred forty-seven thousand, six hundred two".