3645033 has 8 divisors (see below), whose sum is σ = 5554368. Its totient is φ = 2082864.

The previous prime is 3645013. The next prime is 3645049. The reversal of 3645033 is 3305463.

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

It is not a de Polignac number, because 3645033 - 2¹² = 3640937 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3644994 and 3645012.

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, 86766 + ... + 86807.

It is an arithmetic number, because the mean of its divisors is an integer number (694296).

Almost surely, 2^3645033 is an apocalyptic number.

It is an amenable number.

3645033 is a deficient number, since it is larger than the sum of its proper divisors (1909335).

3645033 is a wasteful number, since it uses less digits than its factorization.

3645033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173583.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 3645033 is about 1909.1969516003. The cubic root of 3645033 is about 153.8982996374.

The spelling of 3645033 in words is "three million, six hundred forty-five thousand, thirty-three".