1982069 has 2 divisors, whose sum is σ = 1982070. Its totient is φ = 1982068.

The previous prime is 1982059. The next prime is 1982077. The reversal of 1982069 is 9602891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1575025 + 407044 = 1255^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1982069 - 2⁸ = 1981813 is a prime.

It is a super-2 number, since 2×1982069² = 7857195041522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1982059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 991034 + 991035.

It is an arithmetic number, because the mean of its divisors is an integer number (991035).

2^1982069 is an apocalyptic number.

It is an amenable number.

1982069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1982069 is an equidigital number, since it uses as much as digits as its factorization.

1982069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 1982069 is about 1407.8597231259. The cubic root of 1982069 is about 125.6144466932.

The spelling of 1982069 in words is "one million, nine hundred eighty-two thousand, sixty-nine".