28954069 has 2 divisors, whose sum is σ = 28954070. Its totient is φ = 28954068.

The previous prime is 28954067. The next prime is 28954109. The reversal of 28954069 is 96045982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20133169 + 8820900 = 4487^2 + 2970^2 .

It is a cyclic number.

It is not a de Polignac number, because 28954069 - 2¹ = 28954067 is a prime.

It is a super-2 number, since 2×28954069² = 1676676223313522, which contains 22 as substring.

Together with 28954067, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28954061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14477034 + 14477035.

It is an arithmetic number, because the mean of its divisors is an integer number (14477035).

Almost surely, 2^28954069 is an apocalyptic number.

It is an amenable number.

28954069 is a deficient number, since it is larger than the sum of its proper divisors (1).

28954069 is an equidigital number, since it uses as much as digits as its factorization.

28954069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 28954069 is about 5380.8985309147. The cubic root of 28954069 is about 307.0693961891.

The spelling of 28954069 in words is "twenty-eight million, nine hundred fifty-four thousand, sixty-nine".