30834830 has 32 divisors (see below), whose sum is σ = 61840800. Its totient is φ = 10991232.

The previous prime is 30834779. The next prime is 30834833. The reversal of 30834830 is 3843803.

It is a super-2 number, since 2×30834830² = 1901573482257800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 30834793 and 30834802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30834833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 320 + ... + 7859.

It is an arithmetic number, because the mean of its divisors is an integer number (1932525).

Almost surely, 2^30834830 is an apocalyptic number.

30834830 is an abundant number, since it is smaller than the sum of its proper divisors (31005970).

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

30834830 is a wasteful number, since it uses less digits than its factorization.

30834830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8228.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 30834830 is about 5552.9118487511. The cubic root of 30834830 is about 313.5791554654.

The spelling of 30834830 in words is "thirty million, eight hundred thirty-four thousand, eight hundred thirty".