3645464 has 8 divisors (see below), whose sum is σ = 6835260. Its totient is φ = 1822728.

The previous prime is 3645449. The next prime is 3645469. The reversal of 3645464 is 4645463.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 3⁹ + 6⁸ + 4⁴ + 5⁵ + 4⁵ + 6⁸ + 4⁹ .

It is a self number, because there is not a number n which added to its sum of digits gives 3645464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3645469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227834 + ... + 227849.

Almost surely, 2^3645464 is an apocalyptic number.

It is an amenable number.

3645464 is a deficient number, since it is larger than the sum of its proper divisors (3189796).

3645464 is a wasteful number, since it uses less digits than its factorization.

3645464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455689 (or 455685 counting only the distinct ones).

The product of its digits is 34560, while the sum is 32.

The square root of 3645464 is about 1909.3098229465. The cubic root of 3645464 is about 153.9043652023.

Subtracting 3645464 from its reverse (4645463), we obtain a palindrome (999999).

The spelling of 3645464 in words is "three million, six hundred forty-five thousand, four hundred sixty-four".