1528940 has 48 divisors (see below), whose sum is σ = 3747072. Its totient is φ = 513216.

The previous prime is 1528939. The next prime is 1528979. The reversal of 1528940 is 498251.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9299 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (78064).

2^1528940 is an apocalyptic number.

1528940 is a gapful number since it is divisible by the number (10) 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 1528940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1873536).

1528940 is an abundant number, since it is smaller than the sum of its proper divisors (2218132).

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

1528940 is a wasteful number, since it uses less digits than its factorization.

1528940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1528940 is about 1236.5031338416. The cubic root of 1528940 is about 115.2029183610.

The spelling of 1528940 in words is "one million, five hundred twenty-eight thousand, nine hundred forty".