8432004 has 48 divisors (see below), whose sum is σ = 23101568. Its totient is φ = 2343168.

The previous prime is 8432003. The next prime is 8432033. The reversal of 8432004 is 4002348.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (8432003) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1752 + ... + 4464.

Almost surely, 2^8432004 is an apocalyptic number.

8432004 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8432004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11550784).

8432004 is an abundant number, since it is smaller than the sum of its proper divisors (14669564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8432004 is a wasteful number, since it uses less digits than its factorization.

8432004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764 (or 2762 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 8432004 is about 2903.7913148159. The cubic root of 8432004 is about 203.5371088607.

The spelling of 8432004 in words is "eight million, four hundred thirty-two thousand, four".