28803941 has 2 divisors, whose sum is σ = 28803942. Its totient is φ = 28803940.

The previous prime is 28803917. The next prime is 28803947. The reversal of 28803941 is 14930882.

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., 18241441 + 10562500 = 4271^2 + 3250^2 .

It is a cyclic number.

It is not a de Polignac number, because 28803941 - 2⁶ = 28803877 is a prime.

It is a super-3 number, since 3×28803941³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28803947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14401970 + 14401971.

It is an arithmetic number, because the mean of its divisors is an integer number (14401971).

Almost surely, 2^28803941 is an apocalyptic number.

It is an amenable number.

28803941 is a deficient number, since it is larger than the sum of its proper divisors (1).

28803941 is an equidigital number, since it uses as much as digits as its factorization.

28803941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 28803941 is about 5366.9303144349. The cubic root of 28803941 is about 306.5377539191.

The spelling of 28803941 in words is "twenty-eight million, eight hundred three thousand, nine hundred forty-one".