3645011 has 8 divisors (see below), whose sum is σ = 3784704. Its totient is φ = 3506760.

The previous prime is 3645007. The next prime is 3645013. The reversal of 3645011 is 1105463.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3645011 - 2² = 3645007 is a prime.

It is a super-2 number, since 2×3645011² = 26572210380242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3645013) 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, 9326 + ... + 9708.

It is an arithmetic number, because the mean of its divisors is an integer number (473088).

Almost surely, 2^3645011 is an apocalyptic number.

3645011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3645011 is a deficient number, since it is larger than the sum of its proper divisors (139693).

3645011 is a wasteful number, since it uses less digits than its factorization.

3645011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 3645011 is about 1909.1911900069. The cubic root of 3645011 is about 153.8979900134.

The spelling of 3645011 in words is "three million, six hundred forty-five thousand, eleven".