1026629 has 4 divisors (see below), whose sum is σ = 1062060. Its totient is φ = 991200.

The previous prime is 1026593. The next prime is 1026661. The reversal of 1026629 is 9266201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9266201 = 7 ⋅1323743.

It can be written as a sum of positive squares in 2 ways, for example, as 362404 + 664225 = 602^2 + 815^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1026629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1026598 and 1026607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026679) 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 3 ways as a sum of consecutive naturals, for example, 17672 + ... + 17729.

It is an arithmetic number, because the mean of its divisors is an integer number (265515).

2^1026629 is an apocalyptic number.

It is an amenable number.

1026629 is a deficient number, since it is larger than the sum of its proper divisors (35431).

1026629 is an equidigital number, since it uses as much as digits as its factorization.

1026629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35430.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1026629 is about 1013.2270229322. The cubic root of 1026629 is about 100.8798689343.

The spelling of 1026629 in words is "one million, twenty-six thousand, six hundred twenty-nine".