1523268 has 72 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 449280.

The previous prime is 1523261. The next prime is 1523281. The reversal of 1523268 is 8623251.

It is not an unprimeable number, because it can be changed into a prime (1523261) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11563 + ... + 11693.

It is an arithmetic number, because the mean of its divisors is an integer number (60060).

2^1523268 is an apocalyptic number.

1523268 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 1523268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162160).

1523268 is an abundant number, since it is smaller than the sum of its proper divisors (2801052).

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

1523268 is a wasteful number, since it uses less digits than its factorization.

1523268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 172 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1523268 is about 1234.2074379941. The cubic root of 1523268 is about 115.0602834535.

The spelling of 1523268 in words is "one million, five hundred twenty-three thousand, two hundred sixty-eight".