3884645 has 16 divisors (see below), whose sum is σ = 4967040. Its totient is φ = 2908224.

The previous prime is 3884609. The next prime is 3884659. The reversal of 3884645 is 5464883.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3884645 - 2⁸ = 3884389 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3884599 and 3884608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9587 + ... + 9983.

It is an arithmetic number, because the mean of its divisors is an integer number (310440).

Almost surely, 2^3884645 is an apocalyptic number.

It is an amenable number.

3884645 is a deficient number, since it is larger than the sum of its proper divisors (1082395).

3884645 is a wasteful number, since it uses less digits than its factorization.

3884645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524.

The product of its digits is 92160, while the sum is 38.

The square root of 3884645 is about 1970.9502784190. The cubic root of 3884645 is about 157.1992412777.

The spelling of 3884645 in words is "three million, eight hundred eighty-four thousand, six hundred forty-five".