2885629 has 4 divisors (see below), whose sum is σ = 2898460. Its totient is φ = 2872800.

The previous prime is 2885627. The next prime is 2885639. The reversal of 2885629 is 9265882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1954404 + 931225 = 1398^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2885629 - 2¹ = 2885627 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2885591 and 2885600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2885627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6072 + ... + 6529.

It is an arithmetic number, because the mean of its divisors is an integer number (724615).

2^2885629 is an apocalyptic number.

It is an amenable number.

2885629 is a deficient number, since it is larger than the sum of its proper divisors (12831).

2885629 is a wasteful number, since it uses less digits than its factorization.

2885629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12830.

The product of its digits is 69120, while the sum is 40.

The square root of 2885629 is about 1698.7139252976. The cubic root of 2885629 is about 142.3683651532.

The spelling of 2885629 in words is "two million, eight hundred eighty-five thousand, six hundred twenty-nine".