28790741 has 8 divisors (see below), whose sum is σ = 34839360. Its totient is φ = 23226048.

The previous prime is 28790731. The next prime is 28790753. The reversal of 28790741 is 14709782.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28790741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28790695 and 28790704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28790731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120851 + ... + 121088.

It is an arithmetic number, because the mean of its divisors is an integer number (4354920).

Almost surely, 2^28790741 is an apocalyptic number.

It is an amenable number.

28790741 is a deficient number, since it is larger than the sum of its proper divisors (6048619).

28790741 is a wasteful number, since it uses less digits than its factorization.

28790741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241963.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 28790741 is about 5365.7004202620. The cubic root of 28790741 is about 306.4909210152.

The spelling of 28790741 in words is "twenty-eight million, seven hundred ninety thousand, seven hundred forty-one".