620004911 has 12 divisors (see below), whose sum is σ = 638309472. Its totient is φ = 602208000.

The previous prime is 620004887. The next prime is 620004961. The reversal of 620004911 is 119400026.

It is a happy number.

620004911 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 620004911 - 2¹⁰ = 620003887 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 (620004961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 454871 + ... + 456231.

It is an arithmetic number, because the mean of its divisors is an integer number (53192456).

Almost surely, 2^620004911 is an apocalyptic number.

620004911 is a deficient number, since it is larger than the sum of its proper divisors (18304561).

620004911 is a wasteful number, since it uses less digits than its factorization.

620004911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714 (or 1673 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 620004911 is about 24899.8978110353. The cubic root of 620004911 is about 852.7041497303.

Adding to 620004911 its reverse (119400026), we get a palindrome (739404937).

The spelling of 620004911 in words is "six hundred twenty million, four thousand, nine hundred eleven".