8408923 has 4 divisors (see below), whose sum is σ = 8470440. Its totient is φ = 8347408.

The previous prime is 8408921. The next prime is 8408929. The reversal of 8408923 is 3298048.

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

It is a cyclic number.

It is not a de Polignac number, because 8408923 - 2¹ = 8408921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8408921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30553 + ... + 30826.

It is an arithmetic number, because the mean of its divisors is an integer number (2117610).

Almost surely, 2^8408923 is an apocalyptic number.

8408923 is a deficient number, since it is larger than the sum of its proper divisors (61517).

8408923 is a wasteful number, since it uses less digits than its factorization.

8408923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61516.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 8408923 is about 2899.8143043995. The cubic root of 8408923 is about 203.3512245000.

The spelling of 8408923 in words is "eight million, four hundred eight thousand, nine hundred twenty-three".