30916469 has 2 divisors, whose sum is σ = 30916470. Its totient is φ = 30916468.

The previous prime is 30916411. The next prime is 30916511. The reversal of 30916469 is 96461903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16703569 + 14212900 = 4087^2 + 3770^2 .

It is a cyclic number.

It is not a de Polignac number, because 30916469 - 2⁸ = 30916213 is a prime.

It is a super-2 number, since 2×30916469² = 1911656110855922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30916409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15458234 + 15458235.

It is an arithmetic number, because the mean of its divisors is an integer number (15458235).

Almost surely, 2^30916469 is an apocalyptic number.

It is an amenable number.

30916469 is a deficient number, since it is larger than the sum of its proper divisors (1).

30916469 is an equidigital number, since it uses as much as digits as its factorization.

30916469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 30916469 is about 5560.2579976113. The cubic root of 30916469 is about 313.8556580281.

The spelling of 30916469 in words is "thirty million, nine hundred sixteen thousand, four hundred sixty-nine".