4863649 has 16 divisors (see below), whose sum is σ = 6144768. Its totient is φ = 3750912.

The previous prime is 4863641. The next prime is 4863653. The reversal of 4863649 is 9463684.

It is a cyclic number.

It is not a de Polignac number, because 4863649 - 2³ = 4863641 is a prime.

4863649 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 15 ways as a sum of consecutive naturals, for example, 1849 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (384048).

Almost surely, 2^4863649 is an apocalyptic number.

It is an amenable number.

4863649 is a deficient number, since it is larger than the sum of its proper divisors (1281119).

4863649 is a wasteful number, since it uses less digits than its factorization.

4863649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824.

The product of its digits is 124416, while the sum is 40.

The square root of 4863649 is about 2205.3682232226. The cubic root of 4863649 is about 169.4288676853.

The spelling of 4863649 in words is "four million, eight hundred sixty-three thousand, six hundred forty-nine".