4663920 has 40 divisors (see below), whose sum is σ = 14458896. Its totient is φ = 1243648.

The previous prime is 4663913. The next prime is 4663921. The reversal of 4663920 is 293664.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9477 + ... + 9956.

Almost surely, 2^4663920 is an apocalyptic number.

4663920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4663920 is an abundant number, since it is smaller than the sum of its proper divisors (9794976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4663920 is a wasteful number, since it uses less digits than its factorization.

4663920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19449 (or 19443 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 4663920 is about 2159.6110760968. The cubic root of 4663920 is about 167.0771393542.

The spelling of 4663920 in words is "four million, six hundred sixty-three thousand, nine hundred twenty".