3645099 has 6 divisors (see below), whose sum is σ = 5265156. Its totient is φ = 2430060.

The previous prime is 3645077. The next prime is 3645101. The reversal of 3645099 is 9905463.

3645099 is a `hidden beast` number, since 3 + 645 + 0 + 9 + 9 = 666.

It is not a de Polignac number, because 3645099 - 2⁹ = 3644587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3645049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202497 + ... + 202514.

It is an arithmetic number, because the mean of its divisors is an integer number (877526).

Almost surely, 2^3645099 is an apocalyptic number.

3645099 is a deficient number, since it is larger than the sum of its proper divisors (1620057).

3645099 is a wasteful number, since it uses less digits than its factorization.

3645099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405017 (or 405014 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 3645099 is about 1909.2142362763. The cubic root of 3645099 is about 153.8992285020.

The spelling of 3645099 in words is "three million, six hundred forty-five thousand, ninety-nine".