427504 has 40 divisors (see below), whose sum is σ = 1035648. Its totient is φ = 166080.

The previous prime is 427477. The next prime is 427513. The reversal of 427504 is 405724.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

427504 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1059 + ... + 1405.

2⁴²⁷⁵⁰⁴ is an apocalyptic number.

427504 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 427504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517824).

427504 is an abundant number, since it is smaller than the sum of its proper divisors (608144).

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

427504 is a wasteful number, since it uses less digits than its factorization.

427504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 427504 is about 653.8379004004. The cubic root of 427504 is about 75.3320976816.

The spelling of 427504 in words is "four hundred twenty-seven thousand, five hundred four".