1369629 has 20 divisors (see below), whose sum is σ = 2105884. Its totient is φ = 886464.

The previous prime is 1369619. The next prime is 1369651. The reversal of 1369629 is 9269631.

It can be written as a sum of positive squares in 2 ways, for example, as 1205604 + 164025 = 1098^2 + 405^2 .

It is not a de Polignac number, because 1369629 - 2⁵ = 1369597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1369593 and 1369602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1369619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2769 + ... + 3225.

2^1369629 is an apocalyptic number.

It is an amenable number.

1369629 is a deficient number, since it is larger than the sum of its proper divisors (736255).

1369629 is an equidigital number, since it uses as much as digits as its factorization.

1369629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 497 counting only the distinct ones).

The product of its digits is 17496, while the sum is 36.

The square root of 1369629 is about 1170.3114969956. The cubic root of 1369629 is about 111.0540277525.

The spelling of 1369629 in words is "one million, three hundred sixty-nine thousand, six hundred twenty-nine".