27923629 has 2 divisors, whose sum is σ = 27923630. Its totient is φ = 27923628.

The previous prime is 27923611. The next prime is 27923659. The reversal of 27923629 is 92632972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22306729 + 5616900 = 4723^2 + 2370^2 .

It is a cyclic number.

It is not a de Polignac number, because 27923629 - 2⁹ = 27923117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27923591 and 27923600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27923659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13961814 + 13961815.

It is an arithmetic number, because the mean of its divisors is an integer number (13961815).

Almost surely, 2^27923629 is an apocalyptic number.

It is an amenable number.

27923629 is a deficient number, since it is larger than the sum of its proper divisors (1).

27923629 is an equidigital number, since it uses as much as digits as its factorization.

27923629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 81648, while the sum is 40.

The square root of 27923629 is about 5284.2813134806. The cubic root of 27923629 is about 303.3825656380.

The spelling of 27923629 in words is "twenty-seven million, nine hundred twenty-three thousand, six hundred twenty-nine".