1523972 has 12 divisors (see below), whose sum is σ = 2685900. Its totient is φ = 756576.

The previous prime is 1523969. The next prime is 1523981. The reversal of 1523972 is 2793251.

It can be written as a sum of positive squares in 2 ways, for example, as 391876 + 1132096 = 626^2 + 1064^2 .

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, 683 + ... + 1874.

It is an arithmetic number, because the mean of its divisors is an integer number (223825).

2^1523972 is an apocalyptic number.

It is an amenable number.

1523972 is a deficient number, since it is larger than the sum of its proper divisors (1161928).

1523972 is a wasteful number, since it uses less digits than its factorization.

1523972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2710 (or 2708 counting only the distinct ones).

The product of its digits is 3780, while the sum is 29.

The square root of 1523972 is about 1234.4926083213. The cubic root of 1523972 is about 115.0780063064.

The spelling of 1523972 in words is "one million, five hundred twenty-three thousand, nine hundred seventy-two".