30684135 has 8 divisors (see below), whose sum is σ = 49094640. Its totient is φ = 16364864.

The previous prime is 30684127. The next prime is 30684151. The reversal of 30684135 is 53148603.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30684135 - 2³ = 30684127 is a prime.

It is a super-2 number, since 2×30684135² = 1883032281396450, 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 7 ways as a sum of consecutive naturals, for example, 1022790 + ... + 1022819.

It is an arithmetic number, because the mean of its divisors is an integer number (6136830).

Almost surely, 2^30684135 is an apocalyptic number.

30684135 is a deficient number, since it is larger than the sum of its proper divisors (18410505).

30684135 is a wasteful number, since it uses less digits than its factorization.

30684135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045617.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 30684135 is about 5539.3262225653. The cubic root of 30684135 is about 313.0674829913.

The spelling of 30684135 in words is "thirty million, six hundred eighty-four thousand, one hundred thirty-five".