28602941 has 4 divisors (see below), whose sum is σ = 28614300. Its totient is φ = 28591584.

The previous prime is 28602913. The next prime is 28602943. The reversal of 28602941 is 14920682.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 9897316 + 18705625 = 3146^2 + 4325^2 .

It is a cyclic number.

It is not a de Polignac number, because 28602941 - 2⁶ = 28602877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28602898 and 28602907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28602943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26 + ... + 7563.

It is an arithmetic number, because the mean of its divisors is an integer number (7153575).

Almost surely, 2^28602941 is an apocalyptic number.

It is an amenable number.

28602941 is a deficient number, since it is larger than the sum of its proper divisors (11359).

28602941 is an equidigital number, since it uses as much as digits as its factorization.

28602941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11358.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 28602941 is about 5348.1717436896. The cubic root of 28602941 is about 305.8230604510.

The spelling of 28602941 in words is "twenty-eight million, six hundred two thousand, nine hundred forty-one".