4616621 has 4 divisors (see below), whose sum is σ = 4629372. Its totient is φ = 4603872.

The previous prime is 4616617. The next prime is 4616627. The reversal of 4616621 is 1266164.

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 1416100 + 3200521 = 1190^2 + 1789^2 .

It is a cyclic number.

It is not a de Polignac number, because 4616621 - 2² = 4616617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4616627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5816 + ... + 6561.

It is an arithmetic number, because the mean of its divisors is an integer number (1157343).

Almost surely, 2^4616621 is an apocalyptic number.

It is an amenable number.

4616621 is a deficient number, since it is larger than the sum of its proper divisors (12751).

4616621 is a wasteful number, since it uses less digits than its factorization.

4616621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750.

The product of its digits is 1728, while the sum is 26.

The square root of 4616621 is about 2148.6323557091. The cubic root of 4616621 is about 166.5104166725.

The spelling of 4616621 in words is "four million, six hundred sixteen thousand, six hundred twenty-one".