28976953 has 2 divisors, whose sum is σ = 28976954. Its totient is φ = 28976952.

The previous prime is 28976947. The next prime is 28976977. The reversal of 28976953 is 35967982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16670889 + 12306064 = 4083^2 + 3508^2 .

It is a cyclic number.

It is not a de Polignac number, because 28976953 - 2⁵ = 28976921 is a prime.

It is a super-3 number, since 3×28976953³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28976897 and 28976906.

It is not a weakly prime, because it can be changed into another prime (28976903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14488476 + 14488477.

It is an arithmetic number, because the mean of its divisors is an integer number (14488477).

Almost surely, 2^28976953 is an apocalyptic number.

It is an amenable number.

28976953 is a deficient number, since it is larger than the sum of its proper divisors (1).

28976953 is an equidigital number, since it uses as much as digits as its factorization.

28976953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 28976953 is about 5383.0245215864. The cubic root of 28976953 is about 307.1502728540.

It can be divided in two parts, 28976 and 953, that added together give a square (29929 = 173²).

The spelling of 28976953 in words is "twenty-eight million, nine hundred seventy-six thousand, nine hundred fifty-three".