620408062 has 16 divisors (see below), whose sum is σ = 938653920. Its totient is φ = 307529728.

The previous prime is 620408057. The next prime is 620408143. The reversal of 620408062 is 260804026.

It is a self number, because there is not a number n which added to its sum of digits gives 620408062.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 385263 + ... + 386869.

It is an arithmetic number, because the mean of its divisors is an integer number (58665870).

Almost surely, 2^620408062 is an apocalyptic number.

620408062 is a deficient number, since it is larger than the sum of its proper divisors (318245858).

620408062 is a wasteful number, since it uses less digits than its factorization.

620408062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3155.

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 620408062 is about 24907.9919303022. The cubic root of 620408062 is about 852.8889300124. Note that the first 3 decimals are identical.

The spelling of 620408062 in words is "six hundred twenty million, four hundred eight thousand, sixty-two".