6648602 has 4 divisors (see below), whose sum is σ = 9972906. Its totient is φ = 3324300.

The previous prime is 6648599. The next prime is 6648623. The reversal of 6648602 is 2068466.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2068466 = 2 ⋅1034233.

It can be written as a sum of positive squares in only one way, i.e., 6599761 + 48841 = 2569^2 + 221^2 .

It is a super-4 number, since 4×6648602⁴ (a number of 28 digits) contains 4444 as substring.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662149 + ... + 1662152.

Almost surely, 2^6648602 is an apocalyptic number.

6648602 is a deficient number, since it is larger than the sum of its proper divisors (3324304).

6648602 is a wasteful number, since it uses less digits than its factorization.

6648602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324303.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 6648602 is about 2578.4883168244. The cubic root of 6648602 is about 188.0370569776.

The spelling of 6648602 in words is "six million, six hundred forty-eight thousand, six hundred two".