620404600 has 24 divisors (see below), whose sum is σ = 1442441160. Its totient is φ = 248161760.

The previous prime is 620404597. The next prime is 620404601. The reversal of 620404600 is 6404026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620404601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1550812 + ... + 1551211.

It is an arithmetic number, because the mean of its divisors is an integer number (60101715).

Almost surely, 2^620404600 is an apocalyptic number.

It is an amenable number.

620404600 is an abundant number, since it is smaller than the sum of its proper divisors (822036560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620404600 is a wasteful number, since it uses less digits than its factorization.

620404600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3102039 (or 3102030 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 620404600 is about 24907.9224344384. The cubic root of 620404600 is about 852.8873435797.

Adding to 620404600 its reverse (6404026), we get a palindrome (626808626).

The spelling of 620404600 in words is "six hundred twenty million, four hundred four thousand, six hundred".