620321426 has 16 divisors (see below), whose sum is σ = 963158040. Its totient is φ = 299281920.

The previous prime is 620321411. The next prime is 620321447. The reversal of 620321426 is 624123026.

620321426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 587820025 + 32501401 = 24245^2 + 5701^2 .

It is a junction number, because it is equal to n+sod(n) for n = 620321395 and 620321404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174620 + ... + 178136.

Almost surely, 2^620321426 is an apocalyptic number.

620321426 is a deficient number, since it is larger than the sum of its proper divisors (342836614).

620321426 is a wasteful number, since it uses less digits than its factorization.

620321426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 620321426 is about 24906.2527490588. The cubic root of 620321426 is about 852.8492280111.

The spelling of 620321426 in words is "six hundred twenty million, three hundred twenty-one thousand, four hundred twenty-six".