556946867 has 8 divisors (see below), whose sum is σ = 587535360. Its totient is φ = 526485960.

The previous prime is 556946861. The next prime is 556946881. The reversal of 556946867 is 768649655.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 556946867 - 2²⁶ = 489838003 is a prime.

It is a super-2 number, since 2×556946867² = 620379625322231378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556946861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22859 + ... + 40452.

It is an arithmetic number, because the mean of its divisors is an integer number (73441920).

Almost surely, 2^556946867 is an apocalyptic number.

556946867 is a deficient number, since it is larger than the sum of its proper divisors (30588493).

556946867 is a wasteful number, since it uses less digits than its factorization.

556946867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63793.

The product of its digits is 10886400, while the sum is 56.

The square root of 556946867 is about 23599.7217568343. The cubic root of 556946867 is about 822.7563731802.

The spelling of 556946867 in words is "five hundred fifty-six million, nine hundred forty-six thousand, eight hundred sixty-seven".