4550004 has 36 divisors (see below), whose sum is σ = 11575200. Its totient is φ = 1506960.

The previous prime is 4550003. The next prime is 4550009. The reversal of 4550004 is 4000554.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4550003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7297 + ... + 7895.

Almost surely, 2^4550004 is an apocalyptic number.

It is an amenable number.

4550004 is an abundant number, since it is smaller than the sum of its proper divisors (7025196).

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

4550004 is a wasteful number, since it uses less digits than its factorization.

4550004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4550004 is about 2133.0738383844. The cubic root of 4550004 is about 165.7056281927.

Adding to 4550004 its reverse (4000554), we get a palindrome (8550558).

The spelling of 4550004 in words is "four million, five hundred fifty thousand, four".