463645 has 16 divisors (see below), whose sum is σ = 685440. Its totient is φ = 293184.

The previous prime is 463643. The next prime is 463649. The reversal of 463645 is 546364.

It is a cyclic number.

It is not a de Polignac number, because 463645 - 2¹ = 463643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (463643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55 + ... + 964.

It is an arithmetic number, because the mean of its divisors is an integer number (42840).

2⁴⁶³⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

463645 is a deficient number, since it is larger than the sum of its proper divisors (221795).

463645 is a wasteful number, since it uses less digits than its factorization.

463645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044.

The product of its digits is 8640, while the sum is 28.

The square root of 463645 is about 680.9148258042. The cubic root of 463645 is about 77.3977840797.

Multiplying 463645 by its sum of digits (28), we get a triangular number (12982060 = T₅₀₉₅).

The spelling of 463645 in words is "four hundred sixty-three thousand, six hundred forty-five".