1975266 has 40 divisors (see below), whose sum is σ = 4508460. Its totient is φ = 646272.

The previous prime is 1975249. The next prime is 1975279. The reversal of 1975266 is 6625791.

It can be written as a sum of positive squares in 2 ways, for example, as 1946025 + 29241 = 1395^2 + 171^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1975266.

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 19 ways as a sum of consecutive naturals, for example, 14350 + ... + 14486.

2^1975266 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1975266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2254230).

1975266 is an abundant number, since it is smaller than the sum of its proper divisors (2533194).

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

1975266 is a wasteful number, since it uses less digits than its factorization.

1975266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 231 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 1975266 is about 1405.4415676221. The cubic root of 1975266 is about 125.4705676392.

The spelling of 1975266 in words is "one million, nine hundred seventy-five thousand, two hundred sixty-six".