30005404 has 24 divisors (see below), whose sum is σ = 61690608. Its totient is φ = 12589440.

The previous prime is 30005387. The next prime is 30005429. The reversal of 30005404 is 40450003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25657 + ... + 26800.

It is an arithmetic number, because the mean of its divisors is an integer number (2570442).

Almost surely, 2^30005404 is an apocalyptic number.

It is an amenable number.

30005404 is an abundant number, since it is smaller than the sum of its proper divisors (31685204).

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

30005404 is a wasteful number, since it uses less digits than its factorization.

30005404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52485 (or 52483 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 30005404 is about 5477.7188682881. The cubic root of 30005404 is about 310.7419066802.

Adding to 30005404 its reverse (40450003), we get a palindrome (70455407).

The spelling of 30005404 in words is "thirty million, five thousand, four hundred four".