1528488 has 96 divisors (see below), whose sum is σ = 4717440. Its totient is φ = 443520.

The previous prime is 1528469. The next prime is 1528529. The reversal of 1528488 is 8848251.

It is a super-2 number, since 2×1528488² = 4672551132288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21493 + ... + 21563.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2^1528488 is an apocalyptic number.

1528488 is a gapful number since it is divisible by the number (18) 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 1528488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358720).

1528488 is an abundant number, since it is smaller than the sum of its proper divisors (3188952).

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

1528488 is a wasteful number, since it uses less digits than its factorization.

1528488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 112 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 1528488 is about 1236.3203468357. The cubic root of 1528488 is about 115.1915647759.

It can be divided in two parts, 1528 and 488, that added together give a triangular number (2016 = T₆₃).

The spelling of 1528488 in words is "one million, five hundred twenty-eight thousand, four hundred eighty-eight".