28486433 has 2 divisors, whose sum is σ = 28486434. Its totient is φ = 28486432.

The previous prime is 28486429. The next prime is 28486501. The reversal of 28486433 is 33468482.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27112849 + 1373584 = 5207^2 + 1172^2 .

It is a cyclic number.

It is not a de Polignac number, because 28486433 - 2² = 28486429 is a prime.

It is a super-2 number, since 2×28486433² = 1622953730126978, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (28486333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14243216 + 14243217.

It is an arithmetic number, because the mean of its divisors is an integer number (14243217).

Almost surely, 2^28486433 is an apocalyptic number.

It is an amenable number.

28486433 is a deficient number, since it is larger than the sum of its proper divisors (1).

28486433 is an equidigital number, since it uses as much as digits as its factorization.

28486433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 38.

The square root of 28486433 is about 5337.2683087887. The cubic root of 28486433 is about 305.4072603052.

The spelling of 28486433 in words is "twenty-eight million, four hundred eighty-six thousand, four hundred thirty-three".