1976225 has 12 divisors (see below), whose sum is σ = 2472684. Its totient is φ = 1566720.

The previous prime is 1976213. The next prime is 1976239. The reversal of 1976225 is 5226791.

It can be written as a sum of positive squares in 6 ways, for example, as 123904 + 1852321 = 352^2 + 1361^2 .

It is not a de Polignac number, because 1976225 - 2¹⁰ = 1975201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1976191 and 1976200.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3137 + ... + 3713.

It is an arithmetic number, because the mean of its divisors is an integer number (206057).

2^1976225 is an apocalyptic number.

It is an amenable number.

1976225 is a deficient number, since it is larger than the sum of its proper divisors (496459).

1976225 is a wasteful number, since it uses less digits than its factorization.

1976225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 719 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 1976225 is about 1405.7827001354. The cubic root of 1976225 is about 125.4908698511.

The spelling of 1976225 in words is "one million, nine hundred seventy-six thousand, two hundred twenty-five".