8249242 has 4 divisors (see below), whose sum is σ = 12373866. Its totient is φ = 4124620.

The previous prime is 8249207. The next prime is 8249303. The reversal of 8249242 is 2429428.

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

It can be written as a sum of positive squares in only one way, i.e., 4372281 + 3876961 = 2091^2 + 1969^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2062309 + ... + 2062312.

Almost surely, 2^8249242 is an apocalyptic number.

8249242 is a deficient number, since it is larger than the sum of its proper divisors (4124624).

8249242 is a wasteful number, since it uses less digits than its factorization.

8249242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124623.

The product of its digits is 9216, while the sum is 31.

The square root of 8249242 is about 2872.1493693748. The cubic root of 8249242 is about 202.0558124377.

The spelling of 8249242 in words is "eight million, two hundred forty-nine thousand, two hundred forty-two".