620285938 has 8 divisors (see below), whose sum is σ = 933863040. Its totient is φ = 308998260.

The previous prime is 620285927. The next prime is 620285969. The reversal of 620285938 is 839582026.

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

It is a junction number, because it is equal to n+sod(n) for n = 620285894 and 620285903.

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, 571678 + ... + 572761.

It is an arithmetic number, because the mean of its divisors is an integer number (116732880).

Almost surely, 2^620285938 is an apocalyptic number.

620285938 is a deficient number, since it is larger than the sum of its proper divisors (313577102).

620285938 is a wasteful number, since it uses less digits than its factorization.

620285938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144712.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 620285938 is about 24905.5403073292. The cubic root of 620285938 is about 852.8329641360.

The spelling of 620285938 in words is "six hundred twenty million, two hundred eighty-five thousand, nine hundred thirty-eight".