28373841 has 16 divisors (see below), whose sum is σ = 42220800. Its totient is φ = 18832464.

The previous prime is 28373837. The next prime is 28373879. The reversal of 28373841 is 14837382.

28373841 is nontrivially palindromic in base 12.

It is not a de Polignac number, because 28373841 - 2² = 28373837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28373796 and 28373805.

It is not an unprimeable number, because it can be changed into a prime (28373141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4255 + ... + 8651.

It is an arithmetic number, because the mean of its divisors is an integer number (2638800).

Almost surely, 2^28373841 is an apocalyptic number.

It is an amenable number.

28373841 is a deficient number, since it is larger than the sum of its proper divisors (13846959).

28373841 is a wasteful number, since it uses less digits than its factorization.

28373841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4645 (or 4639 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 28373841 is about 5326.7101479243. The cubic root of 28373841 is about 305.0043571894.

The spelling of 28373841 in words is "twenty-eight million, three hundred seventy-three thousand, eight hundred forty-one".