487428 has 24 divisors (see below), whose sum is σ = 1149120. Its totient is φ = 160800.

The previous prime is 487427. The next prime is 487429. The reversal of 487428 is 824784.

It is an interprime number because it is at equal distance from previous prime (487427) and next prime (487429).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1678 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (47880).

2⁴⁸⁷⁴²⁸ is an apocalyptic number.

It is an amenable number.

487428 is an abundant number, since it is smaller than the sum of its proper divisors (661692).

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

487428 is a wasteful number, since it uses less digits than its factorization.

487428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427 (or 425 counting only the distinct ones).

The product of its digits is 14336, while the sum is 33.

The square root of 487428 is about 698.1604400136. The cubic root of 487428 is about 78.6991710293.

The spelling of 487428 in words is "four hundred eighty-seven thousand, four hundred twenty-eight".