2108629 has 8 divisors (see below), whose sum is σ = 2265408. Its totient is φ = 1955520.

The previous prime is 2108627. The next prime is 2108641. The reversal of 2108629 is 9268012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2108629 - 2¹ = 2108627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2108597 and 2108606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334 + ... + 2080.

It is an arithmetic number, because the mean of its divisors is an integer number (283176).

2^2108629 is an apocalyptic number.

It is an amenable number.

2108629 is a deficient number, since it is larger than the sum of its proper divisors (156779).

2108629 is a wasteful number, since it uses less digits than its factorization.

2108629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1835.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2108629 is about 1452.1119102879. Note that the first 3 decimals coincide. The cubic root of 2108629 is about 128.2330754974.

It can be divided in two parts, 21086 and 29, that added together give a triangular number (21115 = T₂₀₅).

The spelling of 2108629 in words is "two million, one hundred eight thousand, six hundred twenty-nine".