428552 has 8 divisors (see below), whose sum is σ = 803550. Its totient is φ = 214272.

The previous prime is 428551. The next prime is 428557. The reversal of 428552 is 255824.

It can be written as a sum of positive squares in only one way, i.e., 417316 + 11236 = 646^2 + 106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (428551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26777 + ... + 26792.

2⁴²⁸⁵⁵² is an apocalyptic number.

It is an amenable number.

428552 is a deficient number, since it is larger than the sum of its proper divisors (374998).

428552 is a wasteful number, since it uses less digits than its factorization.

428552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53575 (or 53571 counting only the distinct ones).

The product of its digits is 3200, while the sum is 26.

The square root of 428552 is about 654.6388317233. The cubic root of 428552 is about 75.3936047973.

The spelling of 428552 in words is "four hundred twenty-eight thousand, five hundred fifty-two".