28614629 has 2 divisors, whose sum is σ = 28614630. Its totient is φ = 28614628.

The previous prime is 28614617. The next prime is 28614631. The reversal of 28614629 is 92641682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26061025 + 2553604 = 5105^2 + 1598^2 .

It is a cyclic number.

It is not a de Polignac number, because 28614629 - 2¹⁶ = 28549093 is a prime.

Together with 28614631, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 28614592 and 28614601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28614529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14307314 + 14307315.

It is an arithmetic number, because the mean of its divisors is an integer number (14307315).

Almost surely, 2^28614629 is an apocalyptic number.

It is an amenable number.

28614629 is a deficient number, since it is larger than the sum of its proper divisors (1).

28614629 is an equidigital number, since it uses as much as digits as its factorization.

28614629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 28614629 is about 5349.2643419446. The cubic root of 28614629 is about 305.8647108668.

The spelling of 28614629 in words is "twenty-eight million, six hundred fourteen thousand, six hundred twenty-nine".