30809084 has 6 divisors (see below), whose sum is σ = 53915904. Its totient is φ = 15404540.

The previous prime is 30809047. The next prime is 30809099. The reversal of 30809084 is 48090803.

It is a self number, because there is not a number n which added to its sum of digits gives 30809084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3851132 + ... + 3851139.

It is an arithmetic number, because the mean of its divisors is an integer number (8985984).

Almost surely, 2^30809084 is an apocalyptic number.

It is an amenable number.

30809084 is a deficient number, since it is larger than the sum of its proper divisors (23106820).

30809084 is a wasteful number, since it uses less digits than its factorization.

30809084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7702275 (or 7702273 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 30809084 is about 5550.5931214601. The cubic root of 30809084 is about 313.4918553032.

Adding to 30809084 its reverse (48090803), we get a palindrome (78899887).

The spelling of 30809084 in words is "thirty million, eight hundred nine thousand, eighty-four".