30950829 has 120 divisors (see below), whose sum is σ = 63771840. Its totient is φ = 14556672.

The previous prime is 30950809. The next prime is 30950837. The reversal of 30950829 is 92805903.

It is not a de Polignac number, because 30950829 - 2⁵ = 30950797 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30950793 and 30950802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30950809) 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 119 ways as a sum of consecutive naturals, for example, 1628982 + ... + 1629000.

It is an arithmetic number, because the mean of its divisors is an integer number (531432).

Almost surely, 2^30950829 is an apocalyptic number.

30950829 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

30950829 is an abundant number, since it is smaller than the sum of its proper divisors (32821011).

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

30950829 is a wasteful number, since it uses less digits than its factorization.

30950829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 30950829 is about 5563.3469242894. The cubic root of 30950829 is about 313.9718861329.

The spelling of 30950829 in words is "thirty million, nine hundred fifty thousand, eight hundred twenty-nine".