4650621 has 4 divisors (see below), whose sum is σ = 6200832. Its totient is φ = 3100412.

The previous prime is 4650617. The next prime is 4650637. The reversal of 4650621 is 1260564.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4650621 - 2² = 4650617 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 4650591 and 4650600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4650601) 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, 775101 + ... + 775106.

It is an arithmetic number, because the mean of its divisors is an integer number (1550208).

Almost surely, 2^4650621 is an apocalyptic number.

It is an amenable number.

4650621 is a deficient number, since it is larger than the sum of its proper divisors (1550211).

4650621 is a wasteful number, since it uses less digits than its factorization.

4650621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550210.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 4650621 is about 2156.5298514048. The cubic root of 4650621 is about 166.9181833563.

The spelling of 4650621 in words is "four million, six hundred fifty thousand, six hundred twenty-one".