8440486 has 4 divisors (see below), whose sum is σ = 12660732. Its totient is φ = 4220242.

The previous prime is 8440457. The next prime is 8440499. The reversal of 8440486 is 6840448.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110120 + ... + 2110123.

It is an arithmetic number, because the mean of its divisors is an integer number (3165183).

Almost surely, 2^8440486 is an apocalyptic number.

8440486 is a deficient number, since it is larger than the sum of its proper divisors (4220246).

8440486 is a wasteful number, since it uses less digits than its factorization.

8440486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4220245.

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 8440486 is about 2905.2514521122. The cubic root of 8440486 is about 203.6053339707.

The spelling of 8440486 in words is "eight million, four hundred forty thousand, four hundred eighty-six".