427186660 has 48 divisors (see below), whose sum is σ = 914941440. Its totient is φ = 167495040.

The previous prime is 427186649. The next prime is 427186663. The reversal of 427186660 is 66681724.

It is not an unprimeable number, because it can be changed into a prime (427186663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 593781 + ... + 594499.

It is an arithmetic number, because the mean of its divisors is an integer number (19061280).

Almost surely, 2^427186660 is an apocalyptic number.

It is an amenable number.

427186660 is an abundant number, since it is smaller than the sum of its proper divisors (487754780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

427186660 is a wasteful number, since it uses less digits than its factorization.

427186660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 427186660 is about 20668.4943815460. The cubic root of 427186660 is about 753.1345317343.

The spelling of 427186660 in words is "four hundred twenty-seven million, one hundred eighty-six thousand, six hundred sixty".