2645629 has 8 divisors (see below), whose sum is σ = 3069248. Its totient is φ = 2233440.

The previous prime is 2645603. The next prime is 2645639. The reversal of 2645629 is 9265462.

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 2645629 - 2⁵ = 2645597 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 2645594 and 2645603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645639) 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 7 ways as a sum of consecutive naturals, for example, 2352 + ... + 3289.

It is an arithmetic number, because the mean of its divisors is an integer number (383656).

2^2645629 is an apocalyptic number.

It is an amenable number.

2645629 is a deficient number, since it is larger than the sum of its proper divisors (423619).

2645629 is an equidigital number, since it uses as much as digits as its factorization.

2645629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5715.

The product of its digits is 25920, while the sum is 34.

The square root of 2645629 is about 1626.5389635665. The cubic root of 2645629 is about 138.3066240913.

The spelling of 2645629 in words is "two million, six hundred forty-five thousand, six hundred twenty-nine".