8423487 has 8 divisors (see below), whose sum is σ = 12479280. Its totient is φ = 5615640.

The previous prime is 8423477. The next prime is 8423507. The reversal of 8423487 is 7843248.

It is not a de Polignac number, because 8423487 - 2⁶ = 8423423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155964 + ... + 156017.

It is an arithmetic number, because the mean of its divisors is an integer number (1559910).

Almost surely, 2^8423487 is an apocalyptic number.

8423487 is a deficient number, since it is larger than the sum of its proper divisors (4055793).

8423487 is a wasteful number, since it uses less digits than its factorization.

8423487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311990 (or 311984 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 8423487 is about 2902.3244132936. The cubic root of 8423487 is about 203.4685561754.

The spelling of 8423487 in words is "eight million, four hundred twenty-three thousand, four hundred eighty-seven".