427531104 has 288 divisors, whose sum is σ = 1633492224. Its totient is φ = 102435840.

The previous prime is 427531099. The next prime is 427531133. The reversal of 427531104 is 401135724.

427531104 is a `hidden beast` number, since 4 + 27 + 531 + 104 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 287547 + ... + 289029.

It is an arithmetic number, because the mean of its divisors is an integer number (5671848).

Almost surely, 2^427531104 is an apocalyptic number.

427531104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427531104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (816746112).

427531104 is an abundant number, since it is smaller than the sum of its proper divisors (1205961120).

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

427531104 is a wasteful number, since it uses less digits than its factorization.

427531104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530 (or 1519 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 427531104 is about 20676.8252882303. The cubic root of 427531104 is about 753.3368968079.

Adding to 427531104 its reverse (401135724), we get a palindrome (828666828).

The spelling of 427531104 in words is "four hundred twenty-seven million, five hundred thirty-one thousand, one hundred four".