4643748 has 18 divisors (see below), whose sum is σ = 11738454. Its totient is φ = 1547904.

The previous prime is 4643729. The next prime is 4643761. The reversal of 4643748 is 8473464.

4643748 is a `hidden beast` number, since 4 + 643 + 7 + 4 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3968064 + 675684 = 1992^2 + 822^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 128993 = 4643748 / (4 + 6 + 4 + 3 + 7 + 4 + 8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64461 + ... + 64532.

Almost surely, 2^4643748 is an apocalyptic number.

It is an amenable number.

4643748 is an abundant number, since it is smaller than the sum of its proper divisors (7094706).

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

4643748 is a wasteful number, since it uses less digits than its factorization.

4643748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129003 (or 128998 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 4643748 is about 2154.9357299001. The cubic root of 4643748 is about 166.8359151826.

The spelling of 4643748 in words is "four million, six hundred forty-three thousand, seven hundred forty-eight".