8404454 has 4 divisors (see below), whose sum is σ = 12606684. Its totient is φ = 4202226.

The previous prime is 8404433. The next prime is 8404463. The reversal of 8404454 is 4544048.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2101112 + ... + 2101115.

It is an arithmetic number, because the mean of its divisors is an integer number (3151671).

Almost surely, 2^8404454 is an apocalyptic number.

8404454 is a deficient number, since it is larger than the sum of its proper divisors (4202230).

8404454 is a wasteful number, since it uses less digits than its factorization.

8404454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202229.

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 8404454 is about 2899.0436354081. The cubic root of 8404454 is about 203.3151938191.

The spelling of 8404454 in words is "eight million, four hundred four thousand, four hundred fifty-four".