1523872 has 24 divisors (see below), whose sum is σ = 3429216. Its totient is φ = 652992.

The previous prime is 1523861. The next prime is 1523891. The reversal of 1523872 is 2783251.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1523872.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3178 + ... + 3625.

It is an arithmetic number, because the mean of its divisors is an integer number (142884).

2^1523872 is an apocalyptic number.

It is an amenable number.

1523872 is an abundant number, since it is smaller than the sum of its proper divisors (1905344).

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

1523872 is an equidigital number, since it uses as much as digits as its factorization.

1523872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6820 (or 6812 counting only the distinct ones).

The product of its digits is 3360, while the sum is 28.

The square root of 1523872 is about 1234.4521051868. The cubic root of 1523872 is about 115.0754891883.

The spelling of 1523872 in words is "one million, five hundred twenty-three thousand, eight hundred seventy-two".