4863645 has 24 divisors (see below), whose sum is σ = 8744736. Its totient is φ = 2593296.

The previous prime is 4863641. The next prime is 4863653. The reversal of 4863645 is 5463684.

4863645 is a `hidden beast` number, since 4 + 8 + 6 + 3 + 645 = 666.

It is not a de Polignac number, because 4863645 - 2² = 4863641 is a prime.

4863645 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4863641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 787 + ... + 3216.

It is an arithmetic number, because the mean of its divisors is an integer number (364364).

Almost surely, 2^4863645 is an apocalyptic number.

4863645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4863645 is a deficient number, since it is larger than the sum of its proper divisors (3881091).

4863645 is an equidigital number, since it uses as much as digits as its factorization.

4863645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4023 (or 4011 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 4863645 is about 2205.3673163444. The cubic root of 4863645 is about 169.4288212376.

The spelling of 4863645 in words is "four million, eight hundred sixty-three thousand, six hundred forty-five".