4606621 has 4 divisors (see below), whose sum is σ = 4765500. Its totient is φ = 4447744.

The previous prime is 4606619. The next prime is 4606639. The reversal of 4606621 is 1266064.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 881721 + 3724900 = 939^2 + 1930^2 .

It is a cyclic number.

It is not a de Polignac number, because 4606621 - 2¹ = 4606619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4606691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79396 + ... + 79453.

It is an arithmetic number, because the mean of its divisors is an integer number (1191375).

Almost surely, 2^4606621 is an apocalyptic number.

It is an amenable number.

4606621 is a deficient number, since it is larger than the sum of its proper divisors (158879).

4606621 is a wasteful number, since it uses less digits than its factorization.

4606621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158878.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 4606621 is about 2146.3040325173. The cubic root of 4606621 is about 166.3901044450.

The spelling of 4606621 in words is "four million, six hundred six thousand, six hundred twenty-one".