620678208 has 28 divisors (see below), whose sum is σ = 1642211600. Its totient is φ = 206892672.

The previous prime is 620678203. The next prime is 620678209. The reversal of 620678208 is 802876026.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (620678203) 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, 1616158 + ... + 1616541.

Almost surely, 2^620678208 is an apocalyptic number.

It is an amenable number.

620678208 is an abundant number, since it is smaller than the sum of its proper divisors (1021533392).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

620678208 is a wasteful number, since it uses less digits than its factorization.

620678208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3232714 (or 3232704 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 620678208 is about 24913.4142180473. The cubic root of 620678208 is about 853.0127039784.

The spelling of 620678208 in words is "six hundred twenty million, six hundred seventy-eight thousand, two hundred eight".