1982266 has 32 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 799680.

The previous prime is 1982263. The next prime is 1982269. The reversal of 1982266 is 6622891.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1982263) and next prime (1982269).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1982263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8175 + ... + 8413.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^1982266 is an apocalyptic number.

1982266 is a deficient number, since it is larger than the sum of its proper divisors (1646534).

1982266 is a wasteful number, since it uses less digits than its factorization.

1982266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294.

The product of its digits is 10368, while the sum is 34.

The square root of 1982266 is about 1407.9296857443. The cubic root of 1982266 is about 125.6186082076.

The spelling of 1982266 in words is "one million, nine hundred eighty-two thousand, two hundred sixty-six".