1790969 has 2 divisors, whose sum is σ = 1790970. Its totient is φ = 1790968.

The previous prime is 1790951. The next prime is 1790989. The reversal of 1790969 is 9690971.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 35344 = 1325^2 + 188^2 .

It is a cyclic number.

It is not a de Polignac number, because 1790969 - 2⁸ = 1790713 is a prime.

It is a super-2 number, since 2×1790969² = 6415139917922, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (1790939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895484 + 895485.

It is an arithmetic number, because the mean of its divisors is an integer number (895485).

2^1790969 is an apocalyptic number.

It is an amenable number.

1790969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1790969 is an equidigital number, since it uses as much as digits as its factorization.

1790969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 1790969 is about 1338.2708993324. The cubic root of 1790969 is about 121.4402603346.

The spelling of 1790969 in words is "one million, seven hundred ninety thousand, nine hundred sixty-nine".