3646330 has 32 divisors (see below), whose sum is σ = 7056720. Its totient is φ = 1351680.

The previous prime is 3646319. The next prime is 3646337. The reversal of 3646330 is 336463.

It can be written as a sum of positive squares in 8 ways, for example, as 1979649 + 1666681 = 1407^2 + 1291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3646295 and 3646304.

It is not an unprimeable number, because it can be changed into a prime (3646337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15010 + ... + 15250.

Almost surely, 2^3646330 is an apocalyptic number.

3646330 is a deficient number, since it is larger than the sum of its proper divisors (3410390).

3646330 is a wasteful number, since it uses less digits than its factorization.

3646330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 3646330 is about 1909.5365929984. The cubic root of 3646330 is about 153.9165511799.

The spelling of 3646330 in words is "three million, six hundred forty-six thousand, three hundred thirty".