427320488 has 64 divisors (see below), whose sum is σ = 968112000. Its totient is φ = 172737792.

The previous prime is 427320457. The next prime is 427320499. The reversal of 427320488 is 884023724.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285470 + ... + 286962.

It is an arithmetic number, because the mean of its divisors is an integer number (15126750).

Almost surely, 2^427320488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 427320488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (484056000).

427320488 is an abundant number, since it is smaller than the sum of its proper divisors (540791512).

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

427320488 is a wasteful number, since it uses less digits than its factorization.

427320488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794 (or 1790 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 427320488 is about 20671.7316159048. The cubic root of 427320488 is about 753.2131702424.

The spelling of 427320488 in words is "four hundred twenty-seven million, three hundred twenty thousand, four hundred eighty-eight".