30996346 has 4 divisors (see below), whose sum is σ = 46494522. Its totient is φ = 15498172.

The previous prime is 30996323. The next prime is 30996347. The reversal of 30996346 is 64369903.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 23765625 + 7230721 = 4875^2 + 2689^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 30996299 and 30996308.

It is not an unprimeable number, because it can be changed into a prime (30996347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7749085 + ... + 7749088.

Almost surely, 2^30996346 is an apocalyptic number.

30996346 is a deficient number, since it is larger than the sum of its proper divisors (15498176).

30996346 is a wasteful number, since it uses less digits than its factorization.

30996346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15498175.

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 30996346 is about 5567.4362142731. The cubic root of 30996346 is about 314.1257221682.

The spelling of 30996346 in words is "thirty million, nine hundred ninety-six thousand, three hundred forty-six".