8347442 has 8 divisors (see below), whose sum is σ = 13257756. Its totient is φ = 3928192.

The previous prime is 8347433. The next prime is 8347483. The reversal of 8347442 is 2447438.

It can be written as a sum of positive squares in 2 ways, for example, as 8231161 + 116281 = 2869^2 + 341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 8347399 and 8347408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122723 + ... + 122790.

Almost surely, 2^8347442 is an apocalyptic number.

8347442 is a deficient number, since it is larger than the sum of its proper divisors (4910314).

8347442 is a wasteful number, since it uses less digits than its factorization.

8347442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245532.

The product of its digits is 21504, while the sum is 32.

The square root of 8347442 is about 2889.1940052548. The cubic root of 8347442 is about 202.8544176904.

The spelling of 8347442 in words is "eight million, three hundred forty-seven thousand, four hundred forty-two".