620304616406 has 8 divisors (see below), whose sum is σ = 935180056800. Its totient is φ = 308577930808.

The previous prime is 620304616403. The next prime is 620304616471. The reversal of 620304616406 is 604616403026.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 620304616406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620304616403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 787188206 + ... + 787188993.

It is an arithmetic number, because the mean of its divisors is an integer number (116897507100).

Almost surely, 2^620304616406 is an apocalyptic number.

620304616406 is a deficient number, since it is larger than the sum of its proper divisors (314875440394).

620304616406 is a wasteful number, since it uses less digits than its factorization.

620304616406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574377398.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 620304616406 in words is "six hundred twenty billion, three hundred four million, six hundred sixteen thousand, four hundred six".