3680648 has 8 divisors (see below), whose sum is σ = 6901230. Its totient is φ = 1840320.

The previous prime is 3680647. The next prime is 3680657. The reversal of 3680648 is 8460863.

It can be written as a sum of positive squares in only one way, i.e., 3452164 + 228484 = 1858^2 + 478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (3680647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230033 + ... + 230048.

Almost surely, 2^3680648 is an apocalyptic number.

It is an amenable number.

3680648 is a deficient number, since it is larger than the sum of its proper divisors (3220582).

3680648 is a wasteful number, since it uses less digits than its factorization.

3680648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460087 (or 460083 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 3680648 is about 1918.5014985660. The cubic root of 3680648 is about 154.3979140098.

The spelling of 3680648 in words is "three million, six hundred eighty thousand, six hundred forty-eight".