427146688 has 42 divisors (see below), whose sum is σ = 856370144. Its totient is φ = 211386624.

The previous prime is 427146673. The next prime is 427146697. The reversal of 427146688 is 886641724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1915345 + ... + 1915567.

Almost surely, 2^427146688 is an apocalyptic number.

It is an amenable number.

427146688 is an abundant number, since it is smaller than the sum of its proper divisors (429223456).

427146688 is an equidigital number, since it uses as much as digits as its factorization.

427146688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581 (or 398 counting only the distinct ones).

The product of its digits is 516096, while the sum is 46.

The square root of 427146688 is about 20667.5273799262. The cubic root of 427146688 is about 753.1110406508. Note that the first 3 decimals are identical.

The spelling of 427146688 in words is "four hundred twenty-seven million, one hundred forty-six thousand, six hundred eighty-eight".