427646546 has 8 divisors (see below), whose sum is σ = 641628540. Its totient is φ = 213770368.

The previous prime is 427646537. The next prime is 427646591. The reversal of 427646546 is 645646724.

It can be written as a sum of positive squares in 2 ways, for example, as 349129225 + 78517321 = 18685^2 + 8861^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 427646497 and 427646506.

It is an unprimeable number.

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, 15431 + ... + 33066.

Almost surely, 2^427646546 is an apocalyptic number.

427646546 is a deficient number, since it is larger than the sum of its proper divisors (213981994).

427646546 is a wasteful number, since it uses less digits than its factorization.

427646546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52908.

The product of its digits is 967680, while the sum is 44.

The square root of 427646546 is about 20679.6166792327. The cubic root of 427646546 is about 753.4046960790.

The spelling of 427646546 in words is "four hundred twenty-seven million, six hundred forty-six thousand, five hundred forty-six".