30404 has 12 divisors (see below), whose sum is σ = 58128. Its totient is φ = 13800.

The previous prime is 30403. The next prime is 30427. The reversal of 30404 is 40403.

It is a Harshad number since it is a multiple of its sum of digits (11).

It is not an unprimeable number, because it can be changed into a prime (30403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302 + ... + 389.

It is an arithmetic number, because the mean of its divisors is an integer number (4844).

2³⁰⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

30404 is a deficient number, since it is larger than the sum of its proper divisors (27724).

30404 is a wasteful number, since it uses less digits than its factorization.

30404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 30404 is about 174.3674281510. The cubic root of 30404 is about 31.2111838057.

Adding to 30404 its reverse (40403), we get a palindrome (70807).

Subtracting 30404 from its reverse (40403), we obtain a palindrome (9999).

It can be divided in two parts, 30 and 404, that added together give a palindrome (434).

The spelling of 30404 in words is "thirty thousand, four hundred four".