8249741 has 4 divisors (see below), whose sum is σ = 8276412. Its totient is φ = 8223072.

The previous prime is 8249723. The next prime is 8249783. The reversal of 8249741 is 1479428.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 7155625 = 1046^2 + 2675^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8249741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8249711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12866 + ... + 13491.

It is an arithmetic number, because the mean of its divisors is an integer number (2069103).

Almost surely, 2^8249741 is an apocalyptic number.

It is an amenable number.

8249741 is a deficient number, since it is larger than the sum of its proper divisors (26671).

8249741 is a wasteful number, since it uses less digits than its factorization.

8249741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26670.

The product of its digits is 16128, while the sum is 35.

The square root of 8249741 is about 2872.2362368023. The cubic root of 8249741 is about 202.0598865016.

The spelling of 8249741 in words is "eight million, two hundred forty-nine thousand, seven hundred forty-one".