427251206 has 8 divisors (see below), whose sum is σ = 640965000. Its totient is φ = 213596208.

The previous prime is 427251193. The next prime is 427251211. The reversal of 427251206 is 602152724.

It is a happy number.

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

It is a Curzon number.

It is a congruent number.

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, 18170 + ... + 34418.

It is an arithmetic number, because the mean of its divisors is an integer number (80120625).

Almost surely, 2^427251206 is an apocalyptic number.

427251206 is a deficient number, since it is larger than the sum of its proper divisors (213713794).

427251206 is a wasteful number, since it uses less digits than its factorization.

427251206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29398.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 427251206 is about 20670.0557812503. The cubic root of 427251206 is about 753.1724615808.

The spelling of 427251206 in words is "four hundred twenty-seven million, two hundred fifty-one thousand, two hundred six".