28738341 has 8 divisors (see below), whose sum is σ = 42575360. Its totient is φ = 19158876.

The previous prime is 28738321. The next prime is 28738343. The reversal of 28738341 is 14383782.

28738341 is a `hidden beast` number, since 287 + 38 + 341 = 666.

It is not a de Polignac number, because 28738341 - 2⁹ = 28737829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28738296 and 28738305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28738343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532165 + ... + 532218.

It is an arithmetic number, because the mean of its divisors is an integer number (5321920).

Almost surely, 2^28738341 is an apocalyptic number.

It is an amenable number.

28738341 is a deficient number, since it is larger than the sum of its proper divisors (13837019).

28738341 is a wasteful number, since it uses less digits than its factorization.

28738341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064392 (or 1064386 counting only the distinct ones).

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

The square root of 28738341 is about 5360.8153297796. The cubic root of 28738341 is about 306.3048672485.

The spelling of 28738341 in words is "twenty-eight million, seven hundred thirty-eight thousand, three hundred forty-one".