3646630 has 16 divisors (see below), whose sum is σ = 7069104. Its totient is φ = 1346400.

The previous prime is 3646603. The next prime is 3646633. The reversal of 3646630 is 366463.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3646633) 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, 13896 + ... + 14155.

It is an arithmetic number, because the mean of its divisors is an integer number (441819).

Almost surely, 2^3646630 is an apocalyptic number.

3646630 is a deficient number, since it is larger than the sum of its proper divisors (3422474).

3646630 is a wasteful number, since it uses less digits than its factorization.

3646630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28071.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 3646630 is about 1909.6151444728. The cubic root of 3646630 is about 153.9207722002.

The spelling of 3646630 in words is "three million, six hundred forty-six thousand, six hundred thirty".