28762429 has 2 divisors, whose sum is σ = 28762430. Its totient is φ = 28762428.

The previous prime is 28762427. The next prime is 28762439. The reversal of 28762429 is 92426782.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21483225 + 7279204 = 4635^2 + 2698^2 .

It is a cyclic number.

It is not a de Polignac number, because 28762429 - 2¹ = 28762427 is a prime.

Together with 28762427, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 28762391 and 28762400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28762421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14381214 + 14381215.

It is an arithmetic number, because the mean of its divisors is an integer number (14381215).

Almost surely, 2^28762429 is an apocalyptic number.

It is an amenable number.

28762429 is a deficient number, since it is larger than the sum of its proper divisors (1).

28762429 is an equidigital number, since it uses as much as digits as its factorization.

28762429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 40.

The square root of 28762429 is about 5363.0615323712. The cubic root of 28762429 is about 306.3904232328.

The spelling of 28762429 in words is "twenty-eight million, seven hundred sixty-two thousand, four hundred twenty-nine".