427331466 has 24 divisors (see below), whose sum is σ = 955753344. Its totient is φ = 137848680.

The previous prime is 427331441. The next prime is 427331477. The reversal of 427331466 is 664133724.

It is a happy number.

It is a super-2 number, since 2×427331466² = 365224363667418312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427331466.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 382356 + ... + 383471.

It is an arithmetic number, because the mean of its divisors is an integer number (39823056).

Almost surely, 2^427331466 is an apocalyptic number.

427331466 is an abundant number, since it is smaller than the sum of its proper divisors (528421878).

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

427331466 is a wasteful number, since it uses less digits than its factorization.

427331466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765866 (or 765863 counting only the distinct ones).

The product of its digits is 72576, while the sum is 36.

The square root of 427331466 is about 20671.9971458976. The cubic root of 427331466 is about 753.2196202829.

The spelling of 427331466 in words is "four hundred twenty-seven million, three hundred thirty-one thousand, four hundred sixty-six".