30829850 has 12 divisors (see below), whose sum is σ = 57343614. Its totient is φ = 12331920.

The previous prime is 30829847. The next prime is 30829859. The reversal of 30829850 is 5892803.

It can be written as a sum of positive squares in 3 ways, for example, as 23609881 + 7219969 = 4859^2 + 2687^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30829850.

It is not an unprimeable number, because it can be changed into a prime (30829859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 308249 + ... + 308348.

Almost surely, 2^30829850 is an apocalyptic number.

30829850 is a deficient number, since it is larger than the sum of its proper divisors (26513764).

30829850 is a wasteful number, since it uses less digits than its factorization.

30829850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616609 (or 616604 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 30829850 is about 5552.4634172590. The cubic root of 30829850 is about 313.5622729522.

The spelling of 30829850 in words is "thirty million, eight hundred twenty-nine thousand, eight hundred fifty".