28654037 has 2 divisors, whose sum is σ = 28654038. Its totient is φ = 28654036.

The previous prime is 28654019. The next prime is 28654051. The reversal of 28654037 is 73045682.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22146436 + 6507601 = 4706^2 + 2551^2 .

It is a cyclic number.

It is not a de Polignac number, because 28654037 - 2¹⁰ = 28653013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28653988 and 28654006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28654237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14327018 + 14327019.

It is an arithmetic number, because the mean of its divisors is an integer number (14327019).

Almost surely, 2^28654037 is an apocalyptic number.

It is an amenable number.

28654037 is a deficient number, since it is larger than the sum of its proper divisors (1).

28654037 is an equidigital number, since it uses as much as digits as its factorization.

28654037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 28654037 is about 5352.9465717491. The cubic root of 28654037 is about 306.0050585121.

The spelling of 28654037 in words is "twenty-eight million, six hundred fifty-four thousand, thirty-seven".