4980621 has 4 divisors (see below), whose sum is σ = 6640832. Its totient is φ = 3320412.

The previous prime is 4980617. The next prime is 4980629. The reversal of 4980621 is 1260894.

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 not a de Polignac number, because 4980621 - 2² = 4980617 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

4980621 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4980629) 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, 830101 + ... + 830106.

It is an arithmetic number, because the mean of its divisors is an integer number (1660208).

Almost surely, 2^4980621 is an apocalyptic number.

It is an amenable number.

4980621 is a deficient number, since it is larger than the sum of its proper divisors (1660211).

4980621 is a wasteful number, since it uses less digits than its factorization.

4980621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660210.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 4980621 is about 2231.7304944818. The cubic root of 4980621 is about 170.7763911484.

The spelling of 4980621 in words is "four million, nine hundred eighty thousand, six hundred twenty-one".