28741317 has 16 divisors (see below), whose sum is σ = 42596928. Its totient is φ = 17089280.

The previous prime is 28741313. The next prime is 28741327. The reversal of 28741317 is 71314782.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28741317 - 2² = 28741313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28741313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6468 + ... + 9965.

It is an arithmetic number, because the mean of its divisors is an integer number (2662308).

Almost surely, 2^28741317 is an apocalyptic number.

It is an amenable number.

28741317 is a deficient number, since it is larger than the sum of its proper divisors (13855611).

28741317 is a wasteful number, since it uses less digits than its factorization.

28741317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16500.

The product of its digits is 9408, while the sum is 33.

The square root of 28741317 is about 5361.0928923122. The cubic root of 28741317 is about 306.3154400209.

The spelling of 28741317 in words is "twenty-eight million, seven hundred forty-one thousand, three hundred seventeen".