28741937 has 8 divisors (see below), whose sum is σ = 32889216. Its totient is φ = 24604992.

The previous prime is 28741913. The next prime is 28741981. The reversal of 28741937 is 73914782.

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-28741937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28741894 and 28741903.

It is not an unprimeable number, because it can be changed into a prime (28743937) 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, 4793 + ... + 8969.

It is an arithmetic number, because the mean of its divisors is an integer number (4111152).

Almost surely, 2^28741937 is an apocalyptic number.

It is an amenable number.

28741937 is a deficient number, since it is larger than the sum of its proper divisors (4147279).

28741937 is an equidigital number, since it uses as much as digits as its factorization.

28741937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5167.

The product of its digits is 84672, while the sum is 41.

The square root of 28741937 is about 5361.1507160310. The cubic root of 28741937 is about 306.3176425900.

It can be divided in two parts, 287 and 41937, that added together give a palindrome (42224).

The spelling of 28741937 in words is "twenty-eight million, seven hundred forty-one thousand, nine hundred thirty-seven".