30404534 has 24 divisors (see below), whose sum is σ = 49667688. Its totient is φ = 13948160.

The previous prime is 30404527. The next prime is 30404567. The reversal of 30404534 is 43540403.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23057 + ... + 24339.

It is an arithmetic number, because the mean of its divisors is an integer number (2069487).

Almost surely, 2^30404534 is an apocalyptic number.

30404534 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

30404534 is a deficient number, since it is larger than the sum of its proper divisors (19263154).

30404534 is a wasteful number, since it uses less digits than its factorization.

30404534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1360 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 30404534 is about 5514.0306491713. The cubic root of 30404534 is about 312.1136653024.

Adding to 30404534 its reverse (43540403), we get a palindrome (73944937).

The spelling of 30404534 in words is "thirty million, four hundred four thousand, five hundred thirty-four".