620441606 has 16 divisors (see below), whose sum is σ = 982044000. Its totient is φ = 293396928.

The previous prime is 620441597. The next prime is 620441617. The reversal of 620441606 is 606144026.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71681 + ... + 79868.

It is an arithmetic number, because the mean of its divisors is an integer number (61377750).

Almost surely, 2^620441606 is an apocalyptic number.

620441606 is a deficient number, since it is larger than the sum of its proper divisors (361602394).

620441606 is a wasteful number, since it uses less digits than its factorization.

620441606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151663.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 620441606 is about 24908.6652793762. The cubic root of 620441606 is about 852.9043009660.

The spelling of 620441606 in words is "six hundred twenty million, four hundred forty-one thousand, six hundred six".