4863921 has 16 divisors (see below), whose sum is σ = 6911424. Its totient is φ = 3032064.

The previous prime is 4863919. The next prime is 4863923. The reversal of 4863921 is 1293684.

4863921 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4863919) and next prime (4863923).

It is not a de Polignac number, because 4863921 - 2¹ = 4863919 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4863923) 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, 14265 + ... + 14601.

It is an arithmetic number, because the mean of its divisors is an integer number (431964).

Almost surely, 2^4863921 is an apocalyptic number.

It is an amenable number.

4863921 is a deficient number, since it is larger than the sum of its proper divisors (2047503).

4863921 is a wasteful number, since it uses less digits than its factorization.

4863921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640.

The product of its digits is 10368, while the sum is 33.

The square root of 4863921 is about 2205.4298900668. The cubic root of 4863921 is about 169.4320260679.

The spelling of 4863921 in words is "four million, eight hundred sixty-three thousand, nine hundred twenty-one".