8284749 has 24 divisors (see below), whose sum is σ = 12576480. Its totient is φ = 4841760.

The previous prime is 8284739. The next prime is 8284823. The reversal of 8284749 is 9474828.

It is not a de Polignac number, because 8284749 - 2⁷ = 8284621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8284749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8284709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10134 + ... + 10920.

It is an arithmetic number, because the mean of its divisors is an integer number (524020).

Almost surely, 2^8284749 is an apocalyptic number.

It is an amenable number.

8284749 is a deficient number, since it is larger than the sum of its proper divisors (4291731).

8284749 is a wasteful number, since it uses less digits than its factorization.

8284749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841 (or 830 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 8284749 is about 2878.3239914923. The cubic root of 8284749 is about 202.3452987021.

The spelling of 8284749 in words is "eight million, two hundred eighty-four thousand, seven hundred forty-nine".