28296461 has 2 divisors, whose sum is σ = 28296462. Its totient is φ = 28296460.

The previous prime is 28296439. The next prime is 28296481. The reversal of 28296461 is 16469282.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25755625 + 2540836 = 5075^2 + 1594^2 .

It is a cyclic number.

It is not a de Polignac number, because 28296461 - 2¹⁸ = 28034317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28296421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14148230 + 14148231.

It is an arithmetic number, because the mean of its divisors is an integer number (14148231).

Almost surely, 2^28296461 is an apocalyptic number.

It is an amenable number.

28296461 is a deficient number, since it is larger than the sum of its proper divisors (1).

28296461 is an equidigital number, since it uses as much as digits as its factorization.

28296461 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 28296461 is about 5319.4417940231. The cubic root of 28296461 is about 304.7268395455.

The spelling of 28296461 in words is "twenty-eight million, two hundred ninety-six thousand, four hundred sixty-one".