3646145 has 8 divisors (see below), whose sum is σ = 4389504. Its totient is φ = 2907504.

The previous prime is 3646129. The next prime is 3646183. The reversal of 3646145 is 5416463.

It is a happy number.

3646145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3646145 - 2⁴ = 3646129 is a prime.

It is a super-2 number, since 2×3646145² = 26588746722050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842 + ... + 2828.

It is an arithmetic number, because the mean of its divisors is an integer number (548688).

Almost surely, 2^3646145 is an apocalyptic number.

It is an amenable number.

3646145 is a deficient number, since it is larger than the sum of its proper divisors (743359).

3646145 is a wasteful number, since it uses less digits than its factorization.

3646145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359.

The product of its digits is 8640, while the sum is 29.

The square root of 3646145 is about 1909.4881513118. The cubic root of 3646145 is about 153.9139481020.

The spelling of 3646145 in words is "three million, six hundred forty-six thousand, one hundred forty-five".