1970369 has 2 divisors, whose sum is σ = 1970370. Its totient is φ = 1970368.

The previous prime is 1970363. The next prime is 1970401. The reversal of 1970369 is 9630791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 659344 = 1145^2 + 812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1970369 is a prime.

It is a super-2 number, since 2×1970369² = 7764707992322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1970363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985184 + 985185.

It is an arithmetic number, because the mean of its divisors is an integer number (985185).

2^1970369 is an apocalyptic number.

It is an amenable number.

1970369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1970369 is an equidigital number, since it uses as much as digits as its factorization.

1970369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 1970369 is about 1403.6983294141. The cubic root of 1970369 is about 125.3667946408.

The spelling of 1970369 in words is "one million, nine hundred seventy thousand, three hundred sixty-nine".