427500406 has 8 divisors (see below), whose sum is σ = 644051520. Its totient is φ = 212816568.

The previous prime is 427500389. The next prime is 427500407. The reversal of 427500406 is 604005724.

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 (427500407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 466246 + ... + 467161.

It is an arithmetic number, because the mean of its divisors is an integer number (80506440).

Almost surely, 2^427500406 is an apocalyptic number.

427500406 is a deficient number, since it is larger than the sum of its proper divisors (216551114).

427500406 is a wasteful number, since it uses less digits than its factorization.

427500406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933638.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 427500406 is about 20676.0829462449. The cubic root of 427500406 is about 753.3188657693.

The spelling of 427500406 in words is "four hundred twenty-seven million, five hundred thousand, four hundred six".