620766346 has 8 divisors (see below), whose sum is σ = 932599584. Its totient is φ = 309899820.

The previous prime is 620766331. The next prime is 620766401. The reversal of 620766346 is 643667026.

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 = 620766299 and 620766308.

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, 240070 + ... + 242641.

It is an arithmetic number, because the mean of its divisors is an integer number (116574948).

Almost surely, 2^620766346 is an apocalyptic number.

620766346 is a deficient number, since it is larger than the sum of its proper divisors (311833238).

620766346 is a wasteful number, since it uses less digits than its factorization.

620766346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483356.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 620766346 is about 24915.1830416716. The cubic root of 620766346 is about 853.0530787782.

The spelling of 620766346 in words is "six hundred twenty million, seven hundred sixty-six thousand, three hundred forty-six".