620008390 has 8 divisors (see below), whose sum is σ = 1116015120. Its totient is φ = 248003352.

The previous prime is 620008387. The next prime is 620008421. The reversal of 620008390 is 93800026.

620008390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31000410 + ... + 31000429.

It is an arithmetic number, because the mean of its divisors is an integer number (139501890).

Almost surely, 2^620008390 is an apocalyptic number.

620008390 is a deficient number, since it is larger than the sum of its proper divisors (496006730).

620008390 is a wasteful number, since it uses less digits than its factorization.

620008390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62000846.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 620008390 is about 24899.9676706617. The cubic root of 620008390 is about 852.7057446382.

The spelling of 620008390 in words is "six hundred twenty million, eight thousand, three hundred ninety".