556680346 has 8 divisors (see below), whose sum is σ = 863814420. Its totient is φ = 268742208.

The previous prime is 556680343. The next prime is 556680347. The reversal of 556680346 is 643086655.

It can be written as a sum of positive squares in 2 ways, for example, as 512524321 + 44156025 = 22639^2 + 6645^2 .

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

It is not an unprimeable number, because it can be changed into a prime (556680343) 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, 4798911 + ... + 4799026.

Almost surely, 2^556680346 is an apocalyptic number.

556680346 is a deficient number, since it is larger than the sum of its proper divisors (307134074).

556680346 is a wasteful number, since it uses less digits than its factorization.

556680346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9597968.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 556680346 is about 23594.0743832005. The cubic root of 556680346 is about 822.6251118027.

The spelling of 556680346 in words is "five hundred fifty-six million, six hundred eighty thousand, three hundred forty-six".