28735941 has 32 divisors (see below), whose sum is σ = 42997248. Its totient is φ = 16957440.

The previous prime is 28735921. The next prime is 28735943. The reversal of 28735941 is 14953782.

It is not a de Polignac number, because 28735941 - 2⁶ = 28735877 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 28735941.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28735943) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 111685 + ... + 111941.

It is an arithmetic number, because the mean of its divisors is an integer number (1343664).

Almost surely, 2^28735941 is an apocalyptic number.

It is an amenable number.

28735941 is a deficient number, since it is larger than the sum of its proper divisors (14261307).

28735941 is a wasteful number, since it uses less digits than its factorization.

28735941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 60480, while the sum is 39.

The square root of 28735941 is about 5360.5914785591. The cubic root of 28735941 is about 306.2963402874.

The spelling of 28735941 in words is "twenty-eight million, seven hundred thirty-five thousand, nine hundred forty-one".