620458028 has 24 divisors (see below), whose sum is σ = 1137362688. Its totient is φ = 295600976.

The previous prime is 620457931. The next prime is 620458031. The reversal of 620458028 is 820854026.

620458028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 11375 + ... + 37017.

It is an arithmetic number, because the mean of its divisors is an integer number (47390112).

Almost surely, 2^620458028 is an apocalyptic number.

It is an amenable number.

620458028 is a deficient number, since it is larger than the sum of its proper divisors (516904660).

620458028 is a wasteful number, since it uses less digits than its factorization.

620458028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25933 (or 25931 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 620458028 is about 24908.9949215138. The cubic root of 620458028 is about 852.9118258594.

The spelling of 620458028 in words is "six hundred twenty million, four hundred fifty-eight thousand, twenty-eight".