3645284 has 6 divisors (see below), whose sum is σ = 6379254. Its totient is φ = 1822640.

The previous prime is 3645263. The next prime is 3645289. The reversal of 3645284 is 4825463.

It can be written as a sum of positive squares in only one way, i.e., 3422500 + 222784 = 1850^2 + 472^2 .

It is a d-powerful number, because it can be written as 3⁵ + 6⁸ + 4 + 5⁹ + 2¹³ + 8 + 4⁶ .

It is a self number, because there is not a number n which added to its sum of digits gives 3645284.

It is not an unprimeable number, because it can be changed into a prime (3645289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 455657 + ... + 455664.

It is an arithmetic number, because the mean of its divisors is an integer number (1063209).

Almost surely, 2^3645284 is an apocalyptic number.

It is an amenable number.

3645284 is a deficient number, since it is larger than the sum of its proper divisors (2733970).

3645284 is a wasteful number, since it uses less digits than its factorization.

3645284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911325 (or 911323 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 3645284 is about 1909.2626849127. The cubic root of 3645284 is about 153.9018320779.

The spelling of 3645284 in words is "three million, six hundred forty-five thousand, two hundred eighty-four".