427324656 has 80 divisors (see below), whose sum is σ = 1207422720. Its totient is φ = 129154560.

The previous prime is 427324643. The next prime is 427324661. The reversal of 427324656 is 656423724.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264780 + ... + 266388.

It is an arithmetic number, because the mean of its divisors is an integer number (15092784).

Almost surely, 2^427324656 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 427324656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (603711360).

427324656 is an abundant number, since it is smaller than the sum of its proper divisors (780098064).

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

427324656 is a wasteful number, since it uses less digits than its factorization.

427324656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2128 counting only the distinct ones).

The product of its digits is 241920, while the sum is 39.

The square root of 427324656 is about 20671.8324296614. The cubic root of 427324656 is about 753.2156191321.

The spelling of 427324656 in words is "four hundred twenty-seven million, three hundred twenty-four thousand, six hundred fifty-six".