30949796 has 12 divisors (see below), whose sum is σ = 54642252. Its totient is φ = 15337728.

The previous prime is 30949781. The next prime is 30949859. The reversal of 30949796 is 69794903.

It can be written as a sum of positive squares in 2 ways, for example, as 1638400 + 29311396 = 1280^2 + 5414^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 30949796.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33785 + ... + 34688.

It is an arithmetic number, because the mean of its divisors is an integer number (4553521).

Almost surely, 2^30949796 is an apocalyptic number.

It is an amenable number.

30949796 is a deficient number, since it is larger than the sum of its proper divisors (23692456).

30949796 is a wasteful number, since it uses less digits than its factorization.

30949796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68590 (or 68588 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 47.

The square root of 30949796 is about 5563.2540837176. The cubic root of 30949796 is about 313.9683931024.

It can be divided in two parts, 309 and 49796, that added together give a palindrome (50105).

The spelling of 30949796 in words is "thirty million, nine hundred forty-nine thousand, seven hundred ninety-six".