4644148 has 6 divisors (see below), whose sum is σ = 8127266. Its totient is φ = 2322072.

The previous prime is 4644139. The next prime is 4644149. The reversal of 4644148 is 8414464.

4644148 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3232804 + 1411344 = 1798^2 + 1188^2 .

It is a super-2 number, since 2×4644148² = 43136221291808, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4644149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580515 + ... + 580522.

Almost surely, 2^4644148 is an apocalyptic number.

It is an amenable number.

4644148 is a deficient number, since it is larger than the sum of its proper divisors (3483118).

4644148 is a wasteful number, since it uses less digits than its factorization.

4644148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161041 (or 1161039 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 4644148 is about 2155.0285380941. The cubic root of 4644148 is about 166.8407053112.

The spelling of 4644148 in words is "four million, six hundred forty-four thousand, one hundred forty-eight".