2731629 has 8 divisors (see below), whose sum is σ = 3651232. Its totient is φ = 1816560.

The previous prime is 2731621. The next prime is 2731637. The reversal of 2731629 is 9261372.

It is an interprime number because it is at equal distance from previous prime (2731621) and next prime (2731637).

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

It is not a de Polignac number, because 2731629 - 2³ = 2731621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2731596 and 2731605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2731621) 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, 699 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (456404).

2^2731629 is an apocalyptic number.

It is an amenable number.

2731629 is a deficient number, since it is larger than the sum of its proper divisors (919603).

2731629 is a wasteful number, since it uses less digits than its factorization.

2731629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2267.

The product of its digits is 4536, while the sum is 30.

The square root of 2731629 is about 1652.7640484957. The cubic root of 2731629 is about 139.7892918747.

The spelling of 2731629 in words is "two million, seven hundred thirty-one thousand, six hundred twenty-nine".