906629 has 4 divisors (see below), whose sum is σ = 911820. Its totient is φ = 901440.

The previous prime is 906617. The next prime is 906641. The reversal of 906629 is 926609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 926609 = 109 ⋅8501.

It is an interprime number because it is at equal distance from previous prime (906617) and next prime (906641).

It can be written as a sum of positive squares in 2 ways, for example, as 158404 + 748225 = 398^2 + 865^2 .

It is a cyclic number.

It is not a de Polignac number, because 906629 - 2⁴ = 906613 is a prime.

It is a super-2 number, since 2×906629² = 1643952287282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 906595 and 906604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906649) 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, 2324 + ... + 2685.

It is an arithmetic number, because the mean of its divisors is an integer number (227955).

2⁹⁰⁶⁶²⁹ is an apocalyptic number.

It is an amenable number.

906629 is a deficient number, since it is larger than the sum of its proper divisors (5191).

906629 is a wasteful number, since it uses less digits than its factorization.

906629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 906629 is about 952.1706779774. The cubic root of 906629 is about 96.7854043631.

The spelling of 906629 in words is "nine hundred six thousand, six hundred twenty-nine".