8487442 has 4 divisors (see below), whose sum is σ = 12731166. Its totient is φ = 4243720.

The previous prime is 8487421. The next prime is 8487527. The reversal of 8487442 is 2447848.

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., 4289041 + 4198401 = 2071^2 + 2049^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121859 + ... + 2121862.

Almost surely, 2^8487442 is an apocalyptic number.

8487442 is a deficient number, since it is larger than the sum of its proper divisors (4243724).

8487442 is a wasteful number, since it uses less digits than its factorization.

8487442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4243723.

The product of its digits is 57344, while the sum is 37.

The square root of 8487442 is about 2913.3214721345. The cubic root of 8487442 is about 203.9822008051.

The spelling of 8487442 in words is "eight million, four hundred eighty-seven thousand, four hundred forty-two".