8487445 has 8 divisors (see below), whose sum is σ = 10357920. Its totient is φ = 6674640.

The previous prime is 8487421. The next prime is 8487527. The reversal of 8487445 is 5447848.

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

It is not a de Polignac number, because 8487445 - 2²³ = 98837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8487398 and 8487407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14091 + ... + 14680.

It is an arithmetic number, because the mean of its divisors is an integer number (1294740).

Almost surely, 2^8487445 is an apocalyptic number.

It is an amenable number.

8487445 is a deficient number, since it is larger than the sum of its proper divisors (1870475).

8487445 is a wasteful number, since it uses less digits than its factorization.

8487445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28835.

The product of its digits is 143360, while the sum is 40.

The square root of 8487445 is about 2913.3219870107. The cubic root of 8487445 is about 203.9822248385.

The spelling of 8487445 in words is "eight million, four hundred eighty-seven thousand, four hundred forty-five".