1749229 has 2 divisors, whose sum is σ = 1749230. Its totient is φ = 1749228.

The previous prime is 1749221. The next prime is 1749233. The reversal of 1749229 is 9229471.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 980100 + 769129 = 990^2 + 877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1749229 - 2³ = 1749221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1749194 and 1749203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1749221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874614 + 874615.

It is an arithmetic number, because the mean of its divisors is an integer number (874615).

2^1749229 is an apocalyptic number.

It is an amenable number.

1749229 is a deficient number, since it is larger than the sum of its proper divisors (1).

1749229 is an equidigital number, since it uses as much as digits as its factorization.

1749229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 34.

The square root of 1749229 is about 1322.5842128197. The cubic root of 1749229 is about 120.4894132788.

The spelling of 1749229 in words is "one million, seven hundred forty-nine thousand, two hundred twenty-nine".