30135408 has 40 divisors (see below), whose sum is σ = 80538000. Its totient is φ = 9698304.

The previous prime is 30135401. The next prime is 30135421. The reversal of 30135408 is 80453103.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30135401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9433 + ... + 12216.

It is an arithmetic number, because the mean of its divisors is an integer number (2013450).

Almost surely, 2^30135408 is an apocalyptic number.

It is an amenable number.

30135408 is an abundant number, since it is smaller than the sum of its proper divisors (50402592).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30135408 is a wasteful number, since it uses less digits than its factorization.

30135408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21689 (or 21683 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 30135408 is about 5489.5726609637. The cubic root of 30135408 is about 311.1900424822.

The spelling of 30135408 in words is "thirty million, one hundred thirty-five thousand, four hundred eight".