4644554 has 16 divisors (see below), whose sum is σ = 7144200. Its totient is φ = 2264064.

The previous prime is 4644533. The next prime is 4644581. The reversal of 4644554 is 4554464.

It can be written as a sum of positive squares in 4 ways, for example, as 2036329 + 2608225 = 1427^2 + 1615^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4644554.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17132 + ... + 17400.

Almost surely, 2^4644554 is an apocalyptic number.

4644554 is a deficient number, since it is larger than the sum of its proper divisors (2499646).

4644554 is a wasteful number, since it uses less digits than its factorization.

4644554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457.

The product of its digits is 38400, while the sum is 32.

The square root of 4644554 is about 2155.1227343240. The cubic root of 4644554 is about 166.8455670104.

The spelling of 4644554 in words is "four million, six hundred forty-four thousand, five hundred fifty-four".