30405304 has 16 divisors (see below), whose sum is σ = 57069000. Its totient is φ = 15186912.

The previous prime is 30405293. The next prime is 30405317. The reversal of 30405304 is 40350403.

It is a super-2 number, since 2×30405304² = 1848965022664832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12474 + ... + 14710.

Almost surely, 2^30405304 is an apocalyptic number.

It is an amenable number.

30405304 is a deficient number, since it is larger than the sum of its proper divisors (26663696).

30405304 is a wasteful number, since it uses less digits than its factorization.

30405304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30405304 is about 5514.1004706117. The cubic root of 30405304 is about 312.1163000574.

Adding to 30405304 its reverse (40350403), we get a palindrome (70755707).

The spelling of 30405304 in words is "thirty million, four hundred five thousand, three hundred four".