556662406 has 8 divisors (see below), whose sum is σ = 840523824. Its totient is φ = 276487800.

The previous prime is 556662401. The next prime is 556662439. The reversal of 556662406 is 604266655.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556662401) 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, 921325 + ... + 921928.

It is an arithmetic number, because the mean of its divisors is an integer number (105065478).

Almost surely, 2^556662406 is an apocalyptic number.

556662406 is a deficient number, since it is larger than the sum of its proper divisors (283861418).

556662406 is a wasteful number, since it uses less digits than its factorization.

556662406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843406.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 556662406 is about 23593.6941999340. The cubic root of 556662406 is about 822.6162748623.

The spelling of 556662406 in words is "five hundred fifty-six million, six hundred sixty-two thousand, four hundred six".